Evaluate
4\left(x-8\right)\left(x-5\right)
Expand
4x^{2}-52x+160
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\left(x^{2}-5x-8x+40\right)\times 4
Apply the distributive property by multiplying each term of x-8 by each term of x-5.
\left(x^{2}-13x+40\right)\times 4
Combine -5x and -8x to get -13x.
4x^{2}-52x+160
Use the distributive property to multiply x^{2}-13x+40 by 4.
\left(x^{2}-5x-8x+40\right)\times 4
Apply the distributive property by multiplying each term of x-8 by each term of x-5.
\left(x^{2}-13x+40\right)\times 4
Combine -5x and -8x to get -13x.
4x^{2}-52x+160
Use the distributive property to multiply x^{2}-13x+40 by 4.
Examples
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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