using (x+a)(x+b) evaluate. 117*107
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Answer:
12519
Step-by-step explanation:
(x+a)(x+b) = x^2 + x(b+a) + ab
(100+ 17) (100+7) = 100^2 + 100(17+7) + 17×7
= 10000 + 100(24) + 119
= 10000 + 2400 + 119
= 12519
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