5x^2-9x+9=

Simple and best practice solution for 5x^2-9x+9= 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 5x^2-9x+9= equation:


Simplifying
5x2 + -9x + 9 = 0

Reorder the terms:
9 + -9x + 5x2 = 0

Solving
9 + -9x + 5x2 = 0

Solving for variable 'x'.

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

Divide each side by '5'.
1.8 + -1.8x + x2 = 0

Move the constant term to the right:

Add '-1.8' to each side of the equation.
1.8 + -1.8x + -1.8 + x2 = 0 + -1.8

Reorder the terms:
1.8 + -1.8 + -1.8x + x2 = 0 + -1.8

Combine like terms: 1.8 + -1.8 = 0.0
0.0 + -1.8x + x2 = 0 + -1.8
-1.8x + x2 = 0 + -1.8

Combine like terms: 0 + -1.8 = -1.8
-1.8x + x2 = -1.8

The x term is -1.8x.  Take half its coefficient (-0.9).
Square it (0.81) and add it to both sides.

Add '0.81' to each side of the equation.
-1.8x + 0.81 + x2 = -1.8 + 0.81

Reorder the terms:
0.81 + -1.8x + x2 = -1.8 + 0.81

Combine like terms: -1.8 + 0.81 = -0.99
0.81 + -1.8x + x2 = -0.99

Factor a perfect square on the left side:
(x + -0.9)(x + -0.9) = -0.99

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| j=7(3) | | 8=6x+4 | | 9+5(x+7)=2(2x+2)+43 | | 17=-4x+11 | | 8=6x+4-y | | 20-6y=8(9y+3) | | 4(x+2)+24= | | y=0.95x+9.663 | | -6(4h+3)=-25-8h | | 4(x+3)=18x+6 | | 13.17x=0.1 | | r^2+6r+8= | | 2(2x+1)-x=17 | | A+68=60 | | 3b+5-b=17 | | 4x-(3+2x)=5 | | 19+19d=16d-20 | | 5z+6=16 | | 3t+7=t+19 | | 17m=14+18m | | 21=x^2-16x | | 4s+19=5s | | 3(x+3)+21= | | X^2-5=26 | | (4x-11)=15 | | 21=x^2-8x | | x+5+2x=x+7 | | -3x+5=38-6 | | (10a+b)-(10b+a)= | | -10p+13=-11-18p | | .5(x+10)=23 | | (X+8)(X+2)=7 |

Equations solver categories