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Popular >

3x^2+10x>=-2x-9

Solution

3 x^{2} + 10 x \geq - 2 x - 9

Solution

x \leq - 3 or x \geq - 1

+1

Interval Notation

(- \infty, - 3] \cup [- 1, \infty)

Solution steps

3 x^{2} + 10 x \geq - 2 x - 9

Rewrite in standard form

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

Factor

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

(x + 1) (x + 3) \geq 0

Identify the intervals

x \leq - 3 or x \geq - 1

Popular Examples

simplify (-2-5i)/3 simplify

\frac{- 2 - 5 i}{3}

factor 16x^2+40x+25 factor

16 x^{2} + 40 x + 25

x^{2} + 8 x + 16 = - 9

(3-2x)/5 <= (5x-1)/2

\frac{3 - 2 x}{5} \leq \frac{5 x - 1}{2}

simplify 2^{-3}x^2z^{-7}simplify

2^{- 3} x^{2} z^{- 7}

Frequently Asked Questions (FAQ)

What is 3x^2+10x>=-2x-9 ?
The solution to 3x^2+10x>=-2x-9 is x<=-3\lor x>=-1