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Popular >

x^2+x-72<= 0

Solution

x^{2} + x - 72 \leq 0

Solution

- 9 \leq x \leq 8

+1

Interval Notation

[- 9, 8]

Solution steps

x^{2} + x - 72 \leq 0

Factor

x^{2} + x - 72 : (x - 8) (x + 9)

(x - 8) (x + 9) \leq 0

Identify the intervals

- 9 \leq x \leq 8

Popular Examples

3 x^{2} + 14 x + 8 = 0

factor 49a^2+14a+1 factor

49 a^{2} + 14 a + 1

simplify sqrt(18/32)simplify

\frac{18}{32}

9/(x-4)+(2x)/(x+4)>-1

\frac{9}{x - 4} + \frac{2 x}{x + 4} > - 1

simplify sqrt(72/2)simplify

\frac{72}{2}

Frequently Asked Questions (FAQ)

What is x^2+x-72<= 0 ?
The solution to x^2+x-72<= 0 is -9<= x<= 8