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Popular >

x^2+2x+9>0

Solution

x^{2} + 2 x + 9 > 0

Solution

True for all x

+1

Interval Notation

(- \infty, \infty)

Solution steps

x^{2} + 2 x + 9 > 0

Complete the square

x^{2} + 2 x + 9 : (x + 1)^{2} + 8

(x + 1)^{2} + 8 > 0

Move

8

to the right side

(x + 1)^{2} > - 8

If n is even,

u^{n} \geq 0

for all

u

True for all x

Popular Examples

factor p^2+27pq+50q^2 factor

p^{2} + 27 pq + 50 q^{2}

simplify ((5^2)/4)^4 simplify

(\frac{5 ^{2}}{4})^{4}

simplify sqrt(36x^2y^6)simplify

36 x^{2} y^{6}

x^{2} - 9 x = 22

simplify 2^{log_{2}(2)}simplify

2^{l o g_{2} (2)}

Frequently Asked Questions (FAQ)

What is x^2+2x+9>0 ?
The solution to x^2+2x+9>0 is True for all x