Math, asked by dhruvviiic18158, 7 months ago

Find (3x + 7²
by using Suitable identin

Answers

Answered by atharvsharmasiddhart

0

Answer:

(a+b)²

Step-by-step explanation:

(a+B) ² is used as no other identity can be used and (a+b)² =a² +b² +2ab

so u will do 3x²+7²+2(7*3x)

=9x²+49+42x

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