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Popular >

x^2+3x-28>0

Solution

x^{2} + 3 x - 28 > 0

Solution

x < - 7 or x > 4

+1

Interval Notation

(- \infty, - 7) \cup (4, \infty)

Solution steps

x^{2} + 3 x - 28 > 0

Factor

x^{2} + 3 x - 28 : (x - 4) (x + 7)

(x - 4) (x + 7) > 0

Identify the intervals

x < - 7 or x > 4

Popular Examples

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factor 2x^2-4x-126 factor

2 x^{2} - 4 x - 126

factor x^2+4-12 factor

x^{2} + 4 - 12

3(v+2)+4=5(v-1)+v

3 (v + 2) + 4 = 5 (v - 1) + v

(9 x + 18)^{2} = 75

Frequently Asked Questions (FAQ)

What is x^2+3x-28>0 ?
The solution to x^2+3x-28>0 is x<-7\lor x>4