Evaluate
9c-16a
Expand
9c-16a
Share
Copied to clipboard
-16a-4\left(-2\right)b+3\left(5c-2c\right)-2\left(b+3b\right)
Multiply -4 and 4 to get -16.
-16a-\left(-8b\right)+3\left(5c-2c\right)-2\left(b+3b\right)
Multiply 4 and -2 to get -8.
-16a+8b+3\left(5c-2c\right)-2\left(b+3b\right)
The opposite of -8b is 8b.
-16a+8b+3\times 3c-2\left(b+3b\right)
Combine 5c and -2c to get 3c.
-16a+8b+9c-2\left(b+3b\right)
Multiply 3 and 3 to get 9.
-16a+8b+9c-2\times 4b
Combine b and 3b to get 4b.
-16a+8b+9c-8b
Multiply 2 and 4 to get 8.
-16a+9c
Combine 8b and -8b to get 0.
-16a-4\left(-2\right)b+3\left(5c-2c\right)-2\left(b+3b\right)
Multiply -4 and 4 to get -16.
-16a-\left(-8b\right)+3\left(5c-2c\right)-2\left(b+3b\right)
Multiply 4 and -2 to get -8.
-16a+8b+3\left(5c-2c\right)-2\left(b+3b\right)
The opposite of -8b is 8b.
-16a+8b+3\times 3c-2\left(b+3b\right)
Combine 5c and -2c to get 3c.
-16a+8b+9c-2\left(b+3b\right)
Multiply 3 and 3 to get 9.
-16a+8b+9c-2\times 4b
Combine b and 3b to get 4b.
-16a+8b+9c-8b
Multiply 2 and 4 to get 8.
-16a+9c
Combine 8b and -8b to get 0.
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}