Evaluate
13-35a
Expand
13-35a
Share
Copied to clipboard
-\left(0a+3\right)+3\left(8-15a\right)-4\left(-2.5a+2\right)
Multiply 0 and 7 to get 0.
-\left(0+3\right)+3\left(8-15a\right)-4\left(-2.5a+2\right)
Anything times zero gives zero.
-3+3\left(8-15a\right)-4\left(-2.5a+2\right)
Add 0 and 3 to get 3.
-3+24-45a-4\left(-2.5a+2\right)
Use the distributive property to multiply 3 by 8-15a.
21-45a-4\left(-2.5a+2\right)
Add -3 and 24 to get 21.
21-45a+10a-8
Use the distributive property to multiply -4 by -2.5a+2.
21-35a-8
Combine -45a and 10a to get -35a.
13-35a
Subtract 8 from 21 to get 13.
-\left(0a+3\right)+3\left(8-15a\right)-4\left(-2.5a+2\right)
Multiply 0 and 7 to get 0.
-\left(0+3\right)+3\left(8-15a\right)-4\left(-2.5a+2\right)
Anything times zero gives zero.
-3+3\left(8-15a\right)-4\left(-2.5a+2\right)
Add 0 and 3 to get 3.
-3+24-45a-4\left(-2.5a+2\right)
Use the distributive property to multiply 3 by 8-15a.
21-45a-4\left(-2.5a+2\right)
Add -3 and 24 to get 21.
21-45a+10a-8
Use the distributive property to multiply -4 by -2.5a+2.
21-35a-8
Combine -45a and 10a to get -35a.
13-35a
Subtract 8 from 21 to get 13.
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}