3 years ago

Solve this problem by factoring. 2x^2 + x = 1

1 answer:

Mrac [35]3 years ago

5 0

2x^2+x=1

2x^2+x-1=0

2x^2+2x-x-1=0

2x(x+1)-1(x+1)=0

(2x-1)(x+1)=0

x=-1 and 1/2

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