Question 360298
x(x + 3) > 4
x^2+3x-4=0 First find the zeros.
(x+4)(x-1)=0
x=-4, x=1
Test on either side of these numbers.
x=-5: -5(-5+3)=10>4
x=0: 0<4
X=2: 2(2+3)=10>4
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(-INF, -4)U(1, INF)
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Ed