9x^2+2y^2=90

Simple and best practice solution for 9x^2+2y^2=90 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 9x^2+2y^2=90 equation:


Simplifying
9x2 + 2y2 = 90

Solving
9x2 + 2y2 = 90

Solving for variable 'x'.

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

Add '-2y2' to each side of the equation.
9x2 + 2y2 + -2y2 = 90 + -2y2

Combine like terms: 2y2 + -2y2 = 0
9x2 + 0 = 90 + -2y2
9x2 = 90 + -2y2

Divide each side by '9'.
x2 = 10 + -0.2222222222y2

Simplifying
x2 = 10 + -0.2222222222y2

Reorder the terms:
-10 + x2 + 0.2222222222y2 = 10 + -0.2222222222y2 + -10 + 0.2222222222y2

Reorder the terms:
-10 + x2 + 0.2222222222y2 = 10 + -10 + -0.2222222222y2 + 0.2222222222y2

Combine like terms: 10 + -10 = 0
-10 + x2 + 0.2222222222y2 = 0 + -0.2222222222y2 + 0.2222222222y2
-10 + x2 + 0.2222222222y2 = -0.2222222222y2 + 0.2222222222y2

Combine like terms: -0.2222222222y2 + 0.2222222222y2 = 0.0000000000
-10 + x2 + 0.2222222222y2 = 0.0000000000

The solution to this equation could not be determined.

See similar equations:

| -33-x=-3(2x+1) | | -1=-4-x | | 3k^2-2k=21 | | y=7x^2-5 | | y=7x^2-55 | | 1.5x+y=100 | | 12-3s-6=3s | | (7x^5-6x^3+9)+(5x^5-4x^3-6x)= | | -65r=-3900 | | 48*n=2928 | | 48xn=2928 | | 80000-28846=c | | 21x^2-16=16x | | 585r=130(5r-20) | | x-7=200 | | 585r=130(5r-30) | | 6x+7.50y=195 | | 4x-8=x^2-14x+14 | | 9*x+2=8*x | | 1/10(x+11)=-2(8-x) | | 1.5-1.5x=4x | | ln(4)+ln(x)=ln(8)+ln(3x-4) | | 7=-6+j | | 15x+7.50x=360 | | 3x+4y=148 | | 225000/4.64=b | | 6t=114 | | -5(2x-2)=-2(3+6x) | | 2w-8w+3=-21 | | 5=w-9 | | -15+4x=32 | | 2x+1.7=x+2.4 |

Equations solver categories