Math, asked by shoaibaktharjafri, 1 year ago

send me the correct answer with step . by . step exploitation

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Answers

Answered by Aditi72006

1

Answer:

7x^2-2×7x×3+3^2

(7x-3)^2

Answered by Anonymous

2

Answer:

(7x - 3)²

Step-by-step explanation:

Equation is 49x² - 42x + 9

==> 49x² - 21x - 21x + 9

==> 7x(7x - 3) - 3(7x - 3)

==> (7x - 3)(7x - 3)

==> (7x - 3)²

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