4x^2-15x+45=9x

Simple and best practice solution for 4x^2-15x+45=9x 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 4x^2-15x+45=9x equation:


Simplifying
4x2 + -15x + 45 = 9x

Reorder the terms:
45 + -15x + 4x2 = 9x

Solving
45 + -15x + 4x2 = 9x

Solving for variable 'x'.

Reorder the terms:
45 + -15x + -9x + 4x2 = 9x + -9x

Combine like terms: -15x + -9x = -24x
45 + -24x + 4x2 = 9x + -9x

Combine like terms: 9x + -9x = 0
45 + -24x + 4x2 = 0

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

Divide each side by '4'.
11.25 + -6x + x2 = 0

Move the constant term to the right:

Add '-11.25' to each side of the equation.
11.25 + -6x + -11.25 + x2 = 0 + -11.25

Reorder the terms:
11.25 + -11.25 + -6x + x2 = 0 + -11.25

Combine like terms: 11.25 + -11.25 = 0.00
0.00 + -6x + x2 = 0 + -11.25
-6x + x2 = 0 + -11.25

Combine like terms: 0 + -11.25 = -11.25
-6x + x2 = -11.25

The x term is -6x.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6x + 9 + x2 = -11.25 + 9

Reorder the terms:
9 + -6x + x2 = -11.25 + 9

Combine like terms: -11.25 + 9 = -2.25
9 + -6x + x2 = -2.25

Factor a perfect square on the left side:
(x + -3)(x + -3) = -2.25

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 9-2x+3+8x-1=-13 | | ((5)/(x-2)-x-2)*(2-x)/(x^2-6x-9) | | 7a-16=3a+4 | | (-3)(-19)(-7)*0*4= | | 3(x+4)=2(x+7) | | -31X-4X=-5-5(1+5X) | | -11y-7x-4x= | | (-8+7x)(2+7x)=0 | | ((7x-3)-5)((7x-3)+5)=I | | 5x^5+5x^4+5x^3= | | X^4+2x^2-35= | | 0=-16-42x+49x^2 | | 0=(7x-8)(7x+2) | | 9x^3+18x^2+x+2= | | 16=49x^2-42x | | =180-(x+36) | | 15x^7-8x^5+15x^4= | | -5(n-5)=1-4n | | (x-1)/12=(5+x)/3 | | 12*(1-2x)/3-10(4-5)/6+12*13/12=0 | | 9y+2x+4=0 | | 8-3=x/-3 | | z^3-(2+i)z^2+(2+2i)z-2i=0 | | 4(x+2)/5=3x-1 | | x+27= | | 5x+120=38 | | -3x-3=x-7 | | -7x-6=-x-4 | | 17/0.4 | | 2x-5=6x-5 | | x^2+3x-167=0 | | -7x+6=-x+4 |

Equations solver categories