9x^2-10=71

Simple and best practice solution for 9x^2-10=71 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^2-10=71 equation: 


Simplifying
9x2 + -10 = 71

Reorder the terms:
-10 + 9x2 = 71

Solving
-10 + 9x2 = 71

Solving for variable 'x'.

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

Add '10' to each side of the equation.
-10 + 10 + 9x2 = 71 + 10

Combine like terms: -10 + 10 = 0
0 + 9x2 = 71 + 10
9x2 = 71 + 10

Combine like terms: 71 + 10 = 81
9x2 = 81

Divide each side by '9'.
x2 = 9

Simplifying
x2 = 9

Take the square root of each side:
x = {-3, 3}

See similar equations:

| 5y=15-5x | | x=-4.75+1.25(-1) | | 15=-39(c-1)+9 | | 3ln(2x)=4 | | 2=16s | | -(-4.75+1.25y)-2y=8 | | (D^2+4)y=sin(x)+sen(2x) | | 4x+112+56= | | f/4-3.2=3.7 | | -120x+20x^3-x^5=0 | | x=3.666666667+-0.3333333333(2) | | 6(3.666666667+-0.3333333333y)+3y=24 | | -5r+3r=3(-4r-4)-8(-5r+6) | | 7x-8=-5(x+6)-14 | | y/3-9=2 | | (4a+16)-(a-4)=x | | 1.5d+3.3d=42.3 | | 4n+9=-7 | | (4a+16)-(a-4)= | | 25/0.1=80/x | | 21x-1+20x+5=180 | | x+(3x-5)+(x+10)=180 | | x=3+(-3) | | 9x+11+10x+5=180 | | 6m-4m=m+11 | | h(7.5)=25+50(7.5) | | 4a^2-a+1=0 | | 4v^2-16+16=0 | | y-(-3)=4/5(x-2) | | 13x-5+25x-5=180 | | x=-8+17 | | 60x=80x-60 |

Equations solver categories