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Popular >

x^2-3x+8>= 0

Solution

x^{2} - 3 x + 8 \geq 0

Solution

True for all x

+1

Interval Notation

(- \infty, \infty)

Solution steps

x^{2} - 3 x + 8 \geq 0

Complete the square

x^{2} - 3 x + 8 : (x - \frac{3}{2})^{2} + \frac{23}{4}

(x - \frac{3}{2})^{2} + \frac{23}{4} \geq 0

Move

\frac{23}{4}

to the right side

(x - \frac{3}{2})^{2} \geq - \frac{23}{4}

If n is even,

u^{n} \geq 0

for all

u

True for all x

Popular Examples

simplify (1/(x^2-3x-4))^{1/2}simplify

(\frac{1}{x ^{2} - 3 x - 4})^{\frac{1}{2}}

factor 8a+16c factor

8 a + 16 c

factor 15x^2+7x-2 factor

15 x^{2} + 7 x - 2

h (- 2) = 7^{- 2}

factor (x+2)^2-3 factor

(x + 2)^{2} - 3

Frequently Asked Questions (FAQ)

What is x^2-3x+8>= 0 ?
The solution to x^2-3x+8>= 0 is True for all x