-9x^2+30x=35

Simple and best practice solution for -9x^2+30x=35 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+30x=35 equation:


Simplifying
-9x2 + 30x = 35

Reorder the terms:
30x + -9x2 = 35

Solving
30x + -9x2 = 35

Solving for variable 'x'.

Reorder the terms:
-35 + 30x + -9x2 = 35 + -35

Combine like terms: 35 + -35 = 0
-35 + 30x + -9x2 = 0

Begin completing the square.  Divide all terms by
-9 the coefficient of the squared term: 

Divide each side by '-9'.
3.888888889 + -3.333333333x + x2 = 0

Move the constant term to the right:

Add '-3.888888889' to each side of the equation.
3.888888889 + -3.333333333x + -3.888888889 + x2 = 0 + -3.888888889

Reorder the terms:
3.888888889 + -3.888888889 + -3.333333333x + x2 = 0 + -3.888888889

Combine like terms: 3.888888889 + -3.888888889 = 0.000000000
0.000000000 + -3.333333333x + x2 = 0 + -3.888888889
-3.333333333x + x2 = 0 + -3.888888889

Combine like terms: 0 + -3.888888889 = -3.888888889
-3.333333333x + x2 = -3.888888889

The x term is -3.333333333x.  Take half its coefficient (-1.666666667).
Square it (2.777777779) and add it to both sides.

Add '2.777777779' to each side of the equation.
-3.333333333x + 2.777777779 + x2 = -3.888888889 + 2.777777779

Reorder the terms:
2.777777779 + -3.333333333x + x2 = -3.888888889 + 2.777777779

Combine like terms: -3.888888889 + 2.777777779 = -1.11111111
2.777777779 + -3.333333333x + x2 = -1.11111111

Factor a perfect square on the left side:
(x + -1.666666667)(x + -1.666666667) = -1.11111111

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -(-3y-3z+1)= | | 5+3x=28 | | 4p^2+2p=3(p^2-p+2) | | 2.8x-1.6+x-2.9= | | 2.8-1.6+x-2.9= | | 2ln*x+2=0 | | 1/2×12×8= | | -3x+1=-13+4x | | 3by-2=2by+1 | | x/5-3x/4=-x/8 | | z^2+z=6 | | 1-5x+2x=-11 | | A^2y+7y=2a | | 3X^2-1X-9= | | 14+g=2g | | -5a-7(3-4a)=5a-3(1-3a) | | -4+5x+6x=-48 | | 2x^2-95x-48=0 | | -5X^2-9+11X+8X^2-12X= | | 10x+32y-x-30y= | | -19-3+25-35=-3-2m-5+3m | | 4z=8z-12 | | 22=2+6 | | 5x^2-35x-50=0 | | 1-5x/7=-2/3 | | 6+5=10 | | 1-5x/7=2/3 | | Ln*x=0 | | 2xln*x=0 | | 4z=16z-48 | | 50=35x-5x^2 | | -5x^2+35x-50=0 |

Equations solver categories