Math, asked by mohitupadhyay270, 6 months ago

2x^2-x+1 factorisation by identities

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Answered by mahekbala

0

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Answered by sanjanakumari54

1

2x²+x–1 = 0

→ 2x+2x-x–1 = 0

→ 2x(x+1)– 1(x+1) = 0

→ (2x-1) (x+1) = 0

→ 2x-1 = 0 or x+1 = 0

→ x= -1/2 or x= -1

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