9 (2a-b)^2 -4(2a-b)-13 – InterviewSolution

1.

9 (2a-b)^2 -4(2a-b)-13

Answer»

ANSWER:72

Step-by-step explanation:

(3)(5^2-2*5)-2(9)

6(25-10)-18

6(15)-18

90-18=72

I get the same answer you do.

Bob

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