SOLUTION: Solve: 2x^2-3x-5=0 Please show me the steps to get the answer. Thanks
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Question 450981
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Solve: 2x^2-3x-5=0
Please show me the steps to get the answer. Thanks
Answer by
edjones(8007)
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2x^2-3x-5=0
2*-5=-10; two factors of -10 whose sum is -3 are -5 and +2.
2x^2+2x-5x-5=0
2x(x+1)-5(x+1)=0 Factoring by grouping.
(2x-5)(x+1)=0
x=-1, x=5/2
.
Ed