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90x^{2}-37x-70
Evaluate
\left(9x-10\right)\left(10x+7\right)
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90x^{2}+63x-100x-70
Apply the distributive property by multiplying each term of 9x-10 by each term of 10x+7.
90x^{2}-37x-70
Combine 63x and -100x to get -37x.
90x^{2}+63x-100x-70
Apply the distributive property by multiplying each term of 9x-10 by each term of 10x+7.
90x^{2}-37x-70
Combine 63x and -100x to get -37x.
Examples
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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