Simplify and then evaluate(8p +7q)(5p+4q)for p = 1 and q = 2.
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284
Step-by-step explanation:
8p(5p+4q) + 7q(5p+4q)
40p^2+66pq+28q^2
40(1)^2+66(1)(2)+28(2)^2
40+132+112
284
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