Solve 4+3ab+4a+8b^2-2a(3b+4)

$$4+3ab+4a+8b^2-2a(3b+4)$$

Evaluate

$$4+8b^{2}-4a-3ab$$

Solution Steps

Multiply -1 and 2 to get -2.

$$4+3ab+4a+8b^{2}-2a\left(3b+4\right)$$

Use the distributive property to multiply -2a by 3b+4.

$$4+3ab+4a+8b^{2}-6ab-8a$$

Combine 3ab and -6ab to get -3ab.

$$4-3ab+4a+8b^{2}-8a$$

Combine 4a and -8a to get -4a.

$$4-3ab-4a+8b^{2}$$

Expand

$$4+8b^{2}-4a-3ab$$

Solution Steps

Multiply -1 and 2 to get -2.

$$4+3ab+4a+8b^{2}-2a\left(3b+4\right)$$

Use the distributive property to multiply -2a by 3b+4.

$$4+3ab+4a+8b^{2}-6ab-8a$$

Combine 3ab and -6ab to get -3ab.

$$4-3ab+4a+8b^{2}-8a$$

Combine 4a and -8a to get -4a.

$$4-3ab-4a+8b^{2}$$