Algebramedium · Past Paper
Factorize: x^2 - (y-z)^2
A(x+y-z)(x-y+z)
B(x+y-z)(x-y-z)
C(x-y-z)(x+y+z)
D(x+y+z)(x-y+z)
✓ Correct Answer: A — (x+y-z)(x-y+z)
Using a^2-b^2 = (a+b)(a-b): (x + (y-z))(x - (y-z)) = (x+y-z)(x-y+z).
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