Question

Factorise with formulae:

1. x^2 + 8x + 16

2. z^2 + z + 1/4

(best answer will be mark as BRAINLEST, no spam)​

Answer 1

1. (x+4)^2
2.(x+1/2)^2
Hope it helps

Answer 2

Step-by-step explanation:

1. (x+4)² using identity x² + 2xy + y² = (x+4)²

2. z² + z +1/4 = z² + 1/2z +1/2z + 1/4

=z(z+1/2) + 1/2(z+1/2)

=(z+1/2)²

hope it helps

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