Math, asked by anjelshivani2008, 1 month ago

Factorise:
(a) x^2 +30x + 225 (b) 4z^2 -121

Answers

Answered by abhinavkr01

1

Step-by-step explanation:

(a) x² + 30x + 225

= x² + 15x +15x + 225

= x(x+15) + 15(x+15)

= (x+15) (x+15)

(b) 4z² - 121

= (2z)² - 11²

= (2z + 11) (2z - 11)

Hope It Helps:)

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