the sum of the roots of the quadratic equation 2x^+5x - 7=0
Answers
Answered by
4
Answer:
2x²-2x+7x-7=0
2x(X-1)+7(x-1)=0
(2x+7) (x-1) =0
Either
2x+7=0
x=-7/2
or
x-1=0
x=1
Answered by
4
Answer:
X=-1 or 0..
........
@Bblegend.
Step-by-step explanation:
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