Evaluate
80b+330
Factor
10\left(8b+33\right)
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b\times 80+90+80+100+60
Add 60 and 30 to get 90.
b\times 80+170+100+60
Add 90 and 80 to get 170.
b\times 80+270+60
Add 170 and 100 to get 270.
b\times 80+330
Add 270 and 60 to get 330.
10\left(8b+33\right)
Factor out 10.
8b+33
Consider 8b+6+3+8+10+6. Multiply and combine like terms.
10\left(8b+33\right)
Rewrite the complete factored expression.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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}