4x*x-13x+9=0

Simple and best practice solution for 4x*x-13x+9=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 4x*x-13x+9=0 equation:


Simplifying
4x * x + -13x + 9 = 0

Multiply x * x
4x2 + -13x + 9 = 0

Reorder the terms:
9 + -13x + 4x2 = 0

Solving
9 + -13x + 4x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(1 + -1x)(9 + -4x) = 0

Subproblem 1

Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1

Subproblem 2

Set the factor '(9 + -4x)' equal to zero and attempt to solve: Simplifying 9 + -4x = 0 Solving 9 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -4x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -4x = 0 + -9 -4x = 0 + -9 Combine like terms: 0 + -9 = -9 -4x = -9 Divide each side by '-4'. x = 2.25 Simplifying x = 2.25

Solution

x = {1, 2.25}

See similar equations:

| 4x*x+13x+9=0 | | g^2-15g=54 | | 6x*x+11*x+5=0 | | 11*x*x+11*x+5=0 | | x*x+6*x+9=0 | | 6x^2-5x=0 | | 3c*6c*c= | | 3y=y+3 | | 6+s=3 | | 6x+8=-52 | | 9z+z=76-6 | | 12=4+b-3 | | 6x-11-5x=-5 | | 3d^2+5d-2=0 | | w+20=7w-4 | | 3d=18-5d | | 3x-37=0 | | -5(x-b)-(2a-4x)=a+b | | 18-4x=2x | | 10b=5b+20 | | 10x-9x=8 | | 5*3= | | -2+7+17+2+3+5+32+6= | | 5x+(6+4)= | | 5x(6+4)= | | 5*-1.44= | | 5*-1.44+(6+4)+7+17+2+3+5+(4*8)*1+6= | | bx+by=13 | | 19x^2-23x=0 | | 5y(6+4)+7+17+2+3+5+(4*8)*1+6= | | 5x(6+4)+7+17+2+3+5+(4*8)*1+6= | | 5*(6+4)+7+17+2+3+5+(4*8)*1+6= |

Equations solver categories