What is the answer to (0.25-0.75)^2x-7.2=9.9 ?

The answer to (0.25-0.75)^2x-7.2=9.9 is x= 342/5

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(0.25-0.75)^2x-7.2=9.9

(0.25 - 0.75)^{2} x - 7.2 = 9.9

x = \frac{342}{5}

Decimal Notation

x = 68.4

Solution steps

(0.25 - 0.75)^{2} x - 7.2 = 9.9

Simplify

(0.25 - 0.75)^{2} x - 7.2 : 0.25 x - 7.2

0.25 x - 7.2 = 9.9

Multiply both sides by

100

25 x - 720 = 990

Move

720

to the right side

25 x = 1710

Divide both sides by

25

x = \frac{342}{5}

- 9 > - 8 x

9 r^{2} + 60 r + 100 = 0

x^{2} - 7 x + 14 = 2

x + 16 = 4 x - 5

n + 16 = 9

What is the answer to (0.25-0.75)^2x-7.2=9.9 ?
The answer to (0.25-0.75)^2x-7.2=9.9 is x= 342/5
Solve for x: (0.25-0.75)^2x-7.2=9.9
The solution is x= 342/5