SOLUTION: Find the product (3a+8b)(-4a+7b)

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Question 44506: Find the product
(3a+8b)(-4a+7b)
Answer by atif.muhammad(135) About Me  (Show Source):
You can put this solution on YOUR website!
(3a+8b)(-4a+7b) = (3a x -4a) + (3a x 7b) + (8b x -4a) + (8b x 7b) = -12a^2 + 21ab - 32ab + 56b^2

= -12a^2 - 9ab + 56b^2