19.15=0.9x*x

Simple and best practice solution for 19.15=0.9x*x equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 19.15=0.9x*x equation:


Simplifying
19.15 = 0.9x * x

Multiply x * x
19.15 = 0.9x2

Solving
19.15 = 0.9x2

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-0.9x2' to each side of the equation.
19.15 + -0.9x2 = 0.9x2 + -0.9x2

Combine like terms: 0.9x2 + -0.9x2 = 0.0
19.15 + -0.9x2 = 0.0

Add '-19.15' to each side of the equation.
19.15 + -19.15 + -0.9x2 = 0.0 + -19.15

Combine like terms: 19.15 + -19.15 = 0.00
0.00 + -0.9x2 = 0.0 + -19.15
-0.9x2 = 0.0 + -19.15

Combine like terms: 0.0 + -19.15 = -19.15
-0.9x2 = -19.15

Divide each side by '-0.9'.
x2 = 21.27777778

Simplifying
x2 = 21.27777778

Take the square root of each side:
x = {-4.612784168, 4.612784168}

See similar equations:

| 3(6+p)=5p+4 | | 4-2x+9x=24 | | -7u-4=32 | | y=6*5 | | X+-7=4 | | 5+2=62 | | y=6*2 | | 3.6=4.4 | | y=6*1 | | M+2m+4=95 | | d-(-31)=-24 | | y=6*-1 | | 9.15=0.9x*x | | y=6*-3 | | 0.08x+0.40(130)=0.4(72) | | 55+1-z=91 | | (63)f+36= | | X+(-3)=29 | | 55+1=91 | | 0.97x+15=1.09x | | 2x^3-23x^2+80x-84= | | x*x-11x=-10 | | (63+49)m= | | 47-3z=32 | | 15x^2-x+10=0 | | 6x+y=15-2x | | 3(m)-7(2m+1)=0 | | 21=u-(-6) | | 10=4-3(5x-2) | | 1.05t+.63=-.07t | | -0.55p-3=0.45p | | 5x+4m=72 |

Equations solver categories