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Popular >

-x^2+8x<0

Solution

- x^{2} + 8 x < 0

Solution

x < 0 or x > 8

+1

Interval Notation

(- \infty, 0) \cup (8, \infty)

Solution steps

- x^{2} + 8 x < 0

Factor

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

- x (x - 8) < 0

Multiply both sides by

- 1

(reverse the inequality)

(- x (x - 8)) (- 1) > 0 \cdot (- 1)

Simplify

x (x - 8) > 0

Identify the intervals

x < 0 or x > 8

Popular Examples

2 x + 3 \geq 1

factor r^2-rg-20g^2 factor

r^{2} - r g - 20 g^{2}

factor x^3-7x^2-25x+175 factor

x^{3} - 7 x^{2} - 25 x + 175

simplify-1/(2(1/16)^{3/2)}simplify

- \frac{1}{2 ( \frac{1}{16} ) ^{\frac{3}{2}}}

-3/4 m-1/2 =2+1/4 m

- \frac{3}{4} m - \frac{1}{2} = 2 + \frac{1}{4} m

Frequently Asked Questions (FAQ)

What is -x^2+8x<0 ?
The solution to -x^2+8x<0 is x<0\lor x>8