Evaluate
\left(3x-7\right)\left(5x+7\right)
Expand
15x^{2}-14x-49
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\left(3x-7\right)\left(5x+7\right)
Combine x and 4x to get 5x.
15x^{2}+21x-35x-49
Apply the distributive property by multiplying each term of 3x-7 by each term of 5x+7.
15x^{2}-14x-49
Combine 21x and -35x to get -14x.
\left(3x-7\right)\left(5x+7\right)
Combine x and 4x to get 5x.
15x^{2}+21x-35x-49
Apply the distributive property by multiplying each term of 3x-7 by each term of 5x+7.
15x^{2}-14x-49
Combine 21x and -35x to get -14x.
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Matrix
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Simultaneous equation
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Limits
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