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solve 2x² - x - 1 = 0 using quadratic equation by factoring​

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Aaashaviz

Answer:

2x² − x − 1 = 0

Step 1: Factor left side of equation.

(2x+1) (x−1) = 0

Step 2: Set factors equal to 0.

2x + 1 =0 or x − 1 =0

x =  −1 /2  or x = 1