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Popular >

x^2+21>10x

Solution

x^{2} + 21 > 10 x

Solution

x < 3 or x > 7

+1

Interval Notation

(- \infty, 3) \cup (7, \infty)

Solution steps

x^{2} + 21 > 10 x

Rewrite in standard form

x^{2} + 21 - 10 x > 0

Factor

x^{2} + 21 - 10 x : (x - 3) (x - 7)

(x - 3) (x - 7) > 0

Identify the intervals

x < 3 or x > 7

Popular Examples

2 \leq 4 x - 22 \leq 10

- 6 < x - 2 < 4

x^4-10x^2+9<= 0

x^{4} - 10 x^{2} + 9 \leq 0

simplify \sqrt[3]{24}*\sqrt[3]{-3}simplify

simplify-3/6-5/10 simplify

- \frac{3}{6} - \frac{5}{10}

Frequently Asked Questions (FAQ)

What is x^2+21>10x ?
The solution to x^2+21>10x is x<3\lor x>7