Question

factorize 2y-y^2-1+x^4​

Answer 1

Answer:

Step-by-step explanation:

2y-y²-1+x⁴

x⁴+2y-y²-1

(x²)²-(y²-2y+1)

(x²)²-((y)²-2*y*1+(1)²)

(x²)²-(y-1)²

((x²)+(y-1))((x²)-(y-1))

(x²+y-1)(x²-y+1)

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