9x^2+18x+70=0

Simple and best practice solution for 9x^2+18x+70=0 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+18x+70=0 equation:


Simplifying
9x2 + 18x + 70 = 0

Reorder the terms:
70 + 18x + 9x2 = 0

Solving
70 + 18x + 9x2 = 0

Solving for variable 'x'.

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

Divide each side by '9'.
7.777777778 + 2x + x2 = 0

Move the constant term to the right:

Add '-7.777777778' to each side of the equation.
7.777777778 + 2x + -7.777777778 + x2 = 0 + -7.777777778

Reorder the terms:
7.777777778 + -7.777777778 + 2x + x2 = 0 + -7.777777778

Combine like terms: 7.777777778 + -7.777777778 = 0.000000000
0.000000000 + 2x + x2 = 0 + -7.777777778
2x + x2 = 0 + -7.777777778

Combine like terms: 0 + -7.777777778 = -7.777777778
2x + x2 = -7.777777778

The x term is 2x.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2x + 1 + x2 = -7.777777778 + 1

Reorder the terms:
1 + 2x + x2 = -7.777777778 + 1

Combine like terms: -7.777777778 + 1 = -6.777777778
1 + 2x + x2 = -6.777777778

Factor a perfect square on the left side:
(x + 1)(x + 1) = -6.777777778

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 2x-690=1461 | | 64p-8y= | | (2)(3)+(0.5)(-7)=(2.5)X | | 4x^2-56x+192=0 | | 3l+4=l+13 | | 2x+384=2504 | | 4(22)+8y=263 | | 8x^2-16x-70=0 | | 11(t-5)+3t=7(2t+3)-11 | | 5(5x+13)=25x+15 | | 0.14(y-8)+0.16y=0.10y-2.7 | | 16-63h-h^2=0 | | 5+9=8 | | 10x+7y=230 | | 2u-7=-3 | | 4x-620=3650 | | 4x^2-17x+16=-4x+7 | | 1=0.4x-0.7x-14 | | 2.2+.5t=4 | | 6x-2=7x+3 | | [(2x+3)+(5x+3)]=6x+2 | | 2y-3x=6x+4(y-2) | | 3+3r-1=9r+7-5r | | x^2+9x-10=7x-2 | | 9x^2-196y^2=0 | | 9x-286=y | | -4n=2(6n-8) | | y-2=(-7/9)16 | | 3(x-2)-(x-1)=x+1 | | 66-2x=76-3x | | pq+5p= | | r-9=-11 |

Equations solver categories