Answer:
solution given:
: 4x2+8x+7=4
4x²+8x+7-4=0
4x³+8x+3=0
4x²+6x+2x+3=0
2x(2x+3)+1(2x+3)=0
(2x+3)(2x+1)=0
either
x=-3/2
or
x=-1/2
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