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Popular >

25x^2<= 40x-16

Solution

25 x^{2} \leq 40 x - 16

Solution

x = \frac{4}{5}

+1

Decimal Notation

x = 0.8

Solution steps

25 x^{2} \leq 40 x - 16

Rewrite in standard form

25 x^{2} + 16 - 40 x \leq 0

Factor

25 x^{2} + 16 - 40 x : (5 x - 4)^{2}

(5 x - 4)^{2} \leq 0

For

u^{n} \leq 0

, if

n

is even then

u = 0

5 x - 4 = 0

Move

4

to the right side

5 x = 4

Divide both sides by

5

x = \frac{4}{5}

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Frequently Asked Questions (FAQ)

What is 25x^2<= 40x-16 ?
The solution to 25x^2<= 40x-16 is x= 4/5