Question

factorise:x2+4y2-z2-4xy
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Answer 1

Answer:

ur answer

x^2 + 4y^2 - z^2 - 4xy

x^2 + (2y)^2 - 4xy - z^2

(x-2y)^2 - z^2

(x-2y+z) (x-2y-z)

Answer 2

Step-by-step explanation:

=x²+4y²-z²-4xy

=x²+(2y)²-4xy-z²

=(x-2y)²-z²

=(x-2y+z) (x-2y-z)