simplify (2a-1)(3a-7) + (3-a)(a-4) - 6
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Step-by-step explanation:
(2a-1)(3a-7)+(3-a)(a-4) -6 = (6a^2-14a-3a+7)+(3a-12-a^2+4a)-6
=6a^2-17a+7+(-a^2+7a-12)-6
= (6a^2-a^2) + (-17a+7a)+(7-12-6)
= 5a^2-10a-11 is the answer.
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