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Popular >

2x^2+17x+21<= 0

Solution

2 x^{2} + 17 x + 21 \leq 0

Solution

- 7 \leq x \leq - \frac{3}{2}

+2

Solution steps

2 x^{2} + 17 x + 21 \leq 0

Factor

2 x^{2} + 17 x + 21 : (2 x + 3) (x + 7)

(2 x + 3) (x + 7) \leq 0

Identify the intervals

- 7 \leq x \leq - \frac{3}{2}

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\frac{36 + x ^{2}}{2} = 7 x - 6

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Frequently Asked Questions (FAQ)

What is 2x^2+17x+21<= 0 ?
The solution to 2x^2+17x+21<= 0 is -7<= x<=-3/2