Question

Factorise
x^2 + z^2 – 2xz​

Answer 1

Answer:

x^2 + z^2 - 2xz

x^2 - xz + z^2 - xz

x(x - z) - z(x - z)

(x - z)(x - z)

(x - z)^2

Answer 2

Answer:

(x-z)²

Step-by-step explanation:

using identity

x²+ z²- 2xz = (x-z)²

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