20) The roots of the quadratic equation 2x2 + x – 1 are ______
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Answered by
0
Answer:
½, 1
Step-by-step explanation:
2x²+x-1
2x²+2x-x-1
2x(x+1)-1(x+1)
(2x-1)(x+1)
Rootw are ½ and - 1
Answered by
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Answer:
Here is your answer Mate:
Step-by-step explanation:
See in the pic Above..
Hope this may helpful to you.
Thank you...
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