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Popular >

x^2-3x-4>= 0

Solution

x^{2} - 3 x - 4 \geq 0

Solution

x \leq - 1 or x \geq 4

+1

Interval Notation

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

Solution steps

x^{2} - 3 x - 4 \geq 0

Factor

x^{2} - 3 x - 4 : (x + 1) (x - 4)

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

Identify the intervals

x \leq - 1 or x \geq 4

Popular Examples

simplify 5000/12+50000/75 simplify

\frac{5000}{12} + \frac{50000}{75}

(5n)/3+1/2 =(6n-5)/6

\frac{5 n}{3} + \frac{1}{2} = \frac{6 n - 5}{6}

simplify 64^{5/3}simplify

6 4^{\frac{5}{3}}

49x^2+140x+100=0

49 x^{2} + 140 x + 100 = 0

factor 10x^2y-15xy^2 factor

10 x^{2} y - 15 x y^{2}

Frequently Asked Questions (FAQ)

What is x^2-3x-4>= 0 ?
The solution to x^2-3x-4>= 0 is x<=-1\lor x>= 4