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Popular >

5x^2+19x+16>20

Solution

5 x^{2} + 19 x + 16 > 20

Solution

x < - 4 or x > \frac{1}{5}

+2

Interval Notation

(- \infty, - 4) \cup (\frac{1}{5}, \infty)

Decimal Notation

x < - 4 or x > 0.2

Solution steps

5 x^{2} + 19 x + 16 > 20

Rewrite in standard form

5 x^{2} + 19 x - 4 > 0

Factor

5 x^{2} + 19 x - 4 : (5 x - 1) (x + 4)

(5 x - 1) (x + 4) > 0

Identify the intervals

x < - 4 or x > \frac{1}{5}

Popular Examples

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m^{2} - m - 12

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3 n^{2} - 23 n - 400

- 9 x - 35 = 10

simplify (2^{n+1})/((2^n)^{n-1)}simplify

\frac{2 ^{n + 1}}{( 2 ^{n} ) ^{n - 1}}

simplify (7b-14b^2)/(42b^2-21b)simplify

\frac{7 b - 14 b ^{2}}{42 b ^{2} - 21 b}

Frequently Asked Questions (FAQ)

What is 5x^2+19x+16>20 ?
The solution to 5x^2+19x+16>20 is x<-4\lor x> 1/5