Evaluate
7x^{2}-11x-33
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7x^{2}-11x-33
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x^{2}-4x-21+6x^{2}-7x-12
Use the distributive property to multiply x+3 by x-7 and combine like terms.
7x^{2}-4x-21-7x-12
Combine x^{2} and 6x^{2} to get 7x^{2}.
7x^{2}-11x-21-12
Combine -4x and -7x to get -11x.
7x^{2}-11x-33
Subtract 12 from -21 to get -33.
x^{2}-4x-21+6x^{2}-7x-12
Use the distributive property to multiply x+3 by x-7 and combine like terms.
7x^{2}-4x-21-7x-12
Combine x^{2} and 6x^{2} to get 7x^{2}.
7x^{2}-11x-21-12
Combine -4x and -7x to get -11x.
7x^{2}-11x-33
Subtract 12 from -21 to get -33.
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