Sagot :
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
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