Question

factorise each of the following:x^4-(x-z)^4​

Answer 1

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Answer 2

Answer:

(x²+x²+2xz+z²) (x²-x²+2xz-z²)

Step-by-step explanation:

x⁴-(x-z)⁴

=(x²)² - {(x-z)²}²

= {x²+(x-z)²} {x²-(x-z)²}

= (x²+x²+2xz+z²) (x²-x²+2xz-z²)