Math, asked by justinjerson2007, 8 months ago

Evaluate (x-7y) x (x+7y) without multiplying directly. how to write step by step

Answers

Answered by hellboy9

1

Answer:

By Identity: (a-b)(a+b) = a^2-b^2

here a=x, b=7y

= x^2-49y^2

Step-by-step explanation:

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