Evaluate
-15x-9
Expand
-15x-9
Graph
Share
Copied to clipboard
10-5x-3\left(x+2\right)-2\left(2x+2\right)-3\left(2+x\right)-3
Use the distributive property to multiply 5 by 2-x.
10-5x-3x-6-2\left(2x+2\right)-3\left(2+x\right)-3
Use the distributive property to multiply -3 by x+2.
10-8x-6-2\left(2x+2\right)-3\left(2+x\right)-3
Combine -5x and -3x to get -8x.
4-8x-2\left(2x+2\right)-3\left(2+x\right)-3
Subtract 6 from 10 to get 4.
4-8x-4x-4-3\left(2+x\right)-3
Use the distributive property to multiply -2 by 2x+2.
4-12x-4-3\left(2+x\right)-3
Combine -8x and -4x to get -12x.
-12x-3\left(2+x\right)-3
Subtract 4 from 4 to get 0.
-12x-6-3x-3
Use the distributive property to multiply -3 by 2+x.
-15x-6-3
Combine -12x and -3x to get -15x.
-15x-9
Subtract 3 from -6 to get -9.
10-5x-3\left(x+2\right)-2\left(2x+2\right)-3\left(2+x\right)-3
Use the distributive property to multiply 5 by 2-x.
10-5x-3x-6-2\left(2x+2\right)-3\left(2+x\right)-3
Use the distributive property to multiply -3 by x+2.
10-8x-6-2\left(2x+2\right)-3\left(2+x\right)-3
Combine -5x and -3x to get -8x.
4-8x-2\left(2x+2\right)-3\left(2+x\right)-3
Subtract 6 from 10 to get 4.
4-8x-4x-4-3\left(2+x\right)-3
Use the distributive property to multiply -2 by 2x+2.
4-12x-4-3\left(2+x\right)-3
Combine -8x and -4x to get -12x.
-12x-3\left(2+x\right)-3
Subtract 4 from 4 to get 0.
-12x-6-3x-3
Use the distributive property to multiply -3 by 2+x.
-15x-6-3
Combine -12x and -3x to get -15x.
-15x-9
Subtract 3 from -6 to get -9.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}