Math, asked by ashpreetkaur7432, 5 months ago

Q37. Factorise : (i) x2 + 14x + 49 (ii) 4y2 + 20y + 25

Answers

Answered by WhiteDove

91

Step-by-step explanation:

1. x² + 14x + 49

x²+7x+7x+(7)²

x(X+7)+7(X+7)

=( X+7)(X+7)

= (X+7)²

2. 4y² + 20y + 25

4y²+10y+10y+(5)²

= 2y(2y+5)+5(2y+5)

= (2y+5)(2y+5)

= (2y+5)²

hope it helpful

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