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8x^{2}+14x-9
Evaluate
\left(2x-1\right)\left(4x+9\right)
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8x^{2}+18x-4x-9
Apply the distributive property by multiplying each term of 2x-1 by each term of 4x+9.
8x^{2}+14x-9
Combine 18x and -4x to get 14x.
8x^{2}+18x-4x-9
Apply the distributive property by multiplying each term of 2x-1 by each term of 4x+9.
8x^{2}+14x-9
Combine 18x and -4x to get 14x.
Examples
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Limits
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