10x^2-9=171

Simple and best practice solution for 10x^2-9=171 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 10x^2-9=171 equation:


Simplifying
10x2 + -9 = 171

Reorder the terms:
-9 + 10x2 = 171

Solving
-9 + 10x2 = 171

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 10x2 = 171 + 9

Combine like terms: -9 + 9 = 0
0 + 10x2 = 171 + 9
10x2 = 171 + 9

Combine like terms: 171 + 9 = 180
10x2 = 180

Divide each side by '10'.
x2 = 18

Simplifying
x2 = 18

Take the square root of each side:
x = {-4.242640687, 4.242640687}

See similar equations:

| m^2+8m-48=0 | | 8Y-3=4Y+27 | | 2k^2+20k+42=0 | | 8x^2-10x+2=y | | 2x^2+6xy+5y^2=1 | | f(y)=2y+7f(-1.4) | | 3/4*2h | | 3/4(2h) | | 13/3x=-11 | | 45(B-1)+15=5(9B-6) | | -86=-3x-4(2x+6) | | 3x^3-6x^2+14x-8=0 | | x-12/5=5x-8/6=4 | | 6(X+8)=6X-8 | | 1/2a-2=2/3a-6 | | -82=6x-4(-5x-12) | | 1/2a-(2)=2/3a-(6) | | 1/2(a-(2)=2/3a-(6) | | [m+9]+3=26 | | x/8=x | | 6x-5=-2x+6 | | z^3=343 | | -122=-2x-3(-5x+6) | | -2(x)=8x^2-1 | | -5x-6(x-13)=-32 | | -1/2*=6 | | 1/2(a-(2))=2/3a-(6) | | 3(7n-1)+7=7(3n+7) | | -2n-4n=6 | | x^2+x-125000=0 | | 84=4x-7(-3x+13) | | 4+2p-3=9p+4-4p |

Equations solver categories