4x^2+7x-2=0 pls help me
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Answer:
4x²+7x-2=0
4x²+(8-1)x-2=0
4x²+8x-x-2=0
4x(x+2)-1(x+2)=0
(4x-1)(x+2)=0
x=-2 orx=1/4
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