Math, asked by parth2141, 9 months ago

(-3-a)² expansion tell fast.

Answers

Answered by pranjalthakar09

0

Answer:

a2 -6a +9

Step-by-step explanation:

(-3-a)^2 =

Using (a-b)^2 = a2 + b2 - 2ab

so, (-3)2 + (a) 2 - 2(3)(a)

= 9 + a2 - 6a

a2 -6a+9

HOPE THIS HELPS YOU

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