Expand
5x^{2}+28x-49
Evaluate
\left(5x-7\right)\left(x+7\right)
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5x^{2}+35x-7x-49
Apply the distributive property by multiplying each term of 5x-7 by each term of x+7.
5x^{2}+28x-49
Combine 35x and -7x to get 28x.
5x^{2}+35x-7x-49
Apply the distributive property by multiplying each term of 5x-7 by each term of x+7.
5x^{2}+28x-49
Combine 35x and -7x to get 28x.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Matrix
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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