Math, asked by shanayanaz3603, 8 months ago

Simplify 9a(12-6a) -7 find its value for a=2

Answers

Answered by Anonymous

0

Answer:

-7

Step-by-step explanation:

==: 9a (12 - 6a) - 7

==: 9*2 (12 - 6*2) - 7

==: 18 (12 - 12) - 7

==: 0 - 7

==: -7

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