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Popular >

(x-4)(x+1)>= 0

Solution

(x - 4) (x + 1) \geq 0

Solution

x \leq - 1 or x \geq 4

+1

Interval Notation

(- \infty, - 1] \cup [4, \infty)

Solution steps

(x - 4) (x + 1) \geq 0

Identify the intervals

x \leq - 1 or x \geq 4

Popular Examples

factor 21b^7+42b^5+7 factor

21 b^{7} + 42 b^{5} + 7

x^4+2x^3-7x^2-8x+12<= 0

x^{4} + 2 x^{3} - 7 x^{2} - 8 x + 12 \leq 0

12 x^{2} + 7 x - 12 > 0

factor x^2+4x+2x+8 factor

x^{2} + 4 x + 2 x + 8

2 x + 9 + 3 x + x = 5 x + 9

Frequently Asked Questions (FAQ)

What is (x-4)(x+1)>= 0 ?
The solution to (x-4)(x+1)>= 0 is x<=-1\lor x>= 4