Math, asked by aiden26, 10 months ago

25z²+40z+16 factorise using identity

Answers

Answered by suryanshazmjrs02

1

Step-by-step explanation:

$25z²+40z+16 \\ = 25 {z}^{2} + 20z + 20z + 16 \\ = 5z(5z + 4) + 4(5z + 4) \\ = (5z + 4)(5z + 4) \\ = {(5z + 4)}^{2}$

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