Question

5 (x + 2) square + 6( x+ 2 )+ 1 Answer :- (5x+11)(x+3)​

Answer 1

Answer:

you have given the answer

Step-by-step explanation:

use a+b whole square and then solve it

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Answer 2

Answer:

$5 {(x + 2)}^{2} + 6(x + 2) + 1 \\ assume \: that \: (x + 2) = y \\ 5 {y}^{2} + 6y + 1 \\ = 5 {y}^{2} + y + 5y + 1 \\ = y(5y + 1) + (5y + 1) \\ = (y + 1)(5y + 1) \\ but \: y = (x + 2) \\ = (x + 2 + 1)(5x + 10 + 1) \\ = (x + 3)(5x + 11)$

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