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70x^{2}-126x+58
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70x^{2}-126x+58
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70x^{2}-70x-56x+56+2
Apply the distributive property by multiplying each term of 10x-8 by each term of 7x-7.
70x^{2}-126x+56+2
Combine -70x and -56x to get -126x.
70x^{2}-126x+58
Add 56 and 2 to get 58.
70x^{2}-70x-56x+56+2
Apply the distributive property by multiplying each term of 10x-8 by each term of 7x-7.
70x^{2}-126x+56+2
Combine -70x and -56x to get -126x.
70x^{2}-126x+58
Add 56 and 2 to get 58.
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