Solve (6-x*9-x*1-x+7*2*1+1*7*2)-(1*9-x*1+2*2*6-x+1-x*7*7)

$$(6-x \times 9-x \times 1-x+7 \times 2 \times 1+1 \times 7 \times 2)-(1 \times 9-x \times 1+2 \times 2 \times 6-x+1-x \times 7 \times 7)$$

Evaluate

$$40x$$

Solution Steps

Multiply 7 and 2 to get 14. Multiply 1 and 7 to get 7.

$$6-x\times 9-x\times 1-x+14\times 1+7\times 2-\left(1\times 9-x\times 1+2\times 2\times 6-x+1-x\times 7\times 7\right)$$

Multiply 14 and 1 to get 14.

$$6-x\times 9-x\times 1-x+14+7\times 2-\left(1\times 9-x\times 1+2\times 2\times 6-x+1-x\times 7\times 7\right)$$

Multiply 7 and 2 to get 14.

$$6-x\times 9-x\times 1-x+14+14-\left(1\times 9-x\times 1+2\times 2\times 6-x+1-x\times 7\times 7\right)$$

Add 14 and 14 to get 28.

$$6-x\times 9-x\times 1-x+28-\left(1\times 9-x\times 1+2\times 2\times 6-x+1-x\times 7\times 7\right)$$

Multiply 1 and 9 to get 9.

$$6-x\times 9-x\times 1-x+28-\left(9-x\times 1+2\times 2\times 6-x+1-x\times 7\times 7\right)$$

Multiply 2 and 2 to get 4.

$$6-x\times 9-x\times 1-x+28-\left(9-x\times 1+4\times 6-x+1-x\times 7\times 7\right)$$

Multiply 4 and 6 to get 24.

$$6-x\times 9-x\times 1-x+28-\left(9-x\times 1+24-x+1-x\times 7\times 7\right)$$

Add 24 and 1 to get 25.

$$6-x\times 9-x\times 1-x+28-\left(9-x\times 1+25-x-x\times 7\times 7\right)$$

Multiply 7 and 7 to get 49.

$$6-x\times 9-x\times 1-x+28-\left(9-x\times 1+25-x-x\times 49\right)$$

Combine -x and -x\times 49 to get -50x.

$$6-x\times 9-x\times 1-x+28-\left(9-x\times 1+25-50x\right)$$

To find the opposite of 9-x\times 1+25-50x, find the opposite of each term.

$$6-x\times 9-x\times 1-x+28-\left(9-x\times 1\right)-25-\left(-50x\right)$$

Subtract 25 from 28 to get 3.

$$6-x\times 9-x\times 1-x+3-\left(9-x\times 1\right)-\left(-50x\right)$$

The opposite of -50x is 50x.

$$6-x\times 9-x\times 1-x+3-\left(9-x\times 1\right)+50x$$

Combine -x and 50x to get 49x.

$$6-x\times 9-x\times 1+49x+3-\left(9-x\times 1\right)$$

Multiply -1 and 9 to get -9.

$$6-9x-x+49x+3-\left(9-x\right)$$

Combine -9x and -x to get -10x.

$$6-10x+49x+3-\left(9-x\right)$$

Combine -10x and 49x to get 39x.

$$6+39x+3-\left(9-x\right)$$

Add 6 and 3 to get 9.

$$9+39x-\left(9-x\right)$$

To find the opposite of 9-x, find the opposite of each term.

$$9+39x-9-\left(-x\right)$$

The opposite of -x is x.

$$9+39x-9+x$$

Subtract 9 from 9 to get 0.

$$39x+x$$

Combine 39x and x to get 40x.

$$40x$$

Expand

$$40x$$

Solution Steps

Multiply 7 and 2 to get 14. Multiply 1 and 7 to get 7.

$$6-x\times 9-x\times 1-x+14\times 1+7\times 2-\left(1\times 9-x\times 1+2\times 2\times 6-x+1-x\times 7\times 7\right)$$

Multiply 14 and 1 to get 14.

$$6-x\times 9-x\times 1-x+14+7\times 2-\left(1\times 9-x\times 1+2\times 2\times 6-x+1-x\times 7\times 7\right)$$

Multiply 7 and 2 to get 14.

$$6-x\times 9-x\times 1-x+14+14-\left(1\times 9-x\times 1+2\times 2\times 6-x+1-x\times 7\times 7\right)$$

Add 14 and 14 to get 28.

$$6-x\times 9-x\times 1-x+28-\left(1\times 9-x\times 1+2\times 2\times 6-x+1-x\times 7\times 7\right)$$

Multiply 1 and 9 to get 9.

$$6-x\times 9-x\times 1-x+28-\left(9-x\times 1+2\times 2\times 6-x+1-x\times 7\times 7\right)$$

Multiply 2 and 2 to get 4.

$$6-x\times 9-x\times 1-x+28-\left(9-x\times 1+4\times 6-x+1-x\times 7\times 7\right)$$

Multiply 4 and 6 to get 24.

$$6-x\times 9-x\times 1-x+28-\left(9-x\times 1+24-x+1-x\times 7\times 7\right)$$

Add 24 and 1 to get 25.

$$6-x\times 9-x\times 1-x+28-\left(9-x\times 1+25-x-x\times 7\times 7\right)$$

Multiply 7 and 7 to get 49.

$$6-x\times 9-x\times 1-x+28-\left(9-x\times 1+25-x-x\times 49\right)$$

Combine -x and -x\times 49 to get -50x.

$$6-x\times 9-x\times 1-x+28-\left(9-x\times 1+25-50x\right)$$

To find the opposite of 9-x\times 1+25-50x, find the opposite of each term.

$$6-x\times 9-x\times 1-x+28-\left(9-x\times 1\right)-25-\left(-50x\right)$$

Subtract 25 from 28 to get 3.

$$6-x\times 9-x\times 1-x+3-\left(9-x\times 1\right)-\left(-50x\right)$$

The opposite of -50x is 50x.

$$6-x\times 9-x\times 1-x+3-\left(9-x\times 1\right)+50x$$

Combine -x and 50x to get 49x.

$$6-x\times 9-x\times 1+49x+3-\left(9-x\times 1\right)$$

Multiply -1 and 9 to get -9.

$$6-9x-x+49x+3-\left(9-x\right)$$

Combine -9x and -x to get -10x.

$$6-10x+49x+3-\left(9-x\right)$$

Combine -10x and 49x to get 39x.

$$6+39x+3-\left(9-x\right)$$

Add 6 and 3 to get 9.

$$9+39x-\left(9-x\right)$$

To find the opposite of 9-x, find the opposite of each term.

$$9+39x-9-\left(-x\right)$$

The opposite of -x is x.

$$9+39x-9+x$$

Subtract 9 from 9 to get 0.

$$39x+x$$

Combine 39x and x to get 40x.

$$40x$$