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Popular >

3x<= 20-2x^2

Solution

3 x \leq 20 - 2 x^{2}

Solution

- 4 \leq x \leq \frac{5}{2}

+2

Interval Notation

[- 4, \frac{5}{2}]

Decimal Notation

- 4 \leq x \leq 2.5

Solution steps

3 x \leq 20 - 2 x^{2}

Rewrite in standard form

3 x + 2 x^{2} - 20 \leq 0

Factor

3 x + 2 x^{2} - 20 : (2 x - 5) (x + 4)

(2 x - 5) (x + 4) \leq 0

Identify the intervals

- 4 \leq x \leq \frac{5}{2}

Popular Examples

19 - ∣ 2 m + 23 ∣ = 39

simplify 4/(sqrt(3)+\sqrt{2)}simplify

\frac{4}{3 + 2}

factor-16t^2+64t+80 factor

- 16 t^{2} + 64 t + 80

1 \geq 19 - 9 m

(x-3)/4 >= x-3/4

\frac{x - 3}{4} \geq x - \frac{3}{4}

Frequently Asked Questions (FAQ)

What is 3x<= 20-2x^2 ?
The solution to 3x<= 20-2x^2 is -4<= x<= 5/2