Math, asked by vishvrajrawat0611, 2 months ago

Simplify using suitable identity :
(a) (x+3)(x+3)
(b) (2a - 7) (2a - 7)

Answers

Answered by kaustubh11223bh

2

Answer:

(x+3)×(x+3)

= (3x) × (3x)

= 9 x

Answered by khanhabibkhan975

2

Step-by-step explanation:

1.(x+3)(x+3)

x(x+3)+3(x+3)

x^2+3x+3x+9

=x^2+6x+9

2.(2a-7)(2a-7)

2a(2a-7)-7(2a-7)

4a^2-14a-14a-49

=4a^2-28a-49

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