x^2-13x+40=4

Simple and best practice solution for x^2-13x+40=4 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 x^2-13x+40=4 equation:


Simplifying
x2 + -13x + 40 = 4

Reorder the terms:
40 + -13x + x2 = 4

Solving
40 + -13x + x2 = 4

Solving for variable 'x'.

Reorder the terms:
40 + -4 + -13x + x2 = 4 + -4

Combine like terms: 40 + -4 = 36
36 + -13x + x2 = 4 + -4

Combine like terms: 4 + -4 = 0
36 + -13x + x2 = 0

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

Subproblem 1

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Subproblem 2

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 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 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Solution

x = {4, 9}

See similar equations:

| x^3+3x+3=0 | | 6x+2=10x-6 | | 5t^2=2-2t | | (0)-5x=0 | | 5t^2=1-2t | | x^2=4x+3 | | 6y^2-3y+11=0 | | -2+3y=-6 | | 12x+18=162 | | 15x-=14x+13 | | -2x+7=12 | | 3x+(0)=6 | | 0+8y=0 | | 6x^2-42x+12=0 | | 3x^2+6x-33=0 | | 3(x+2)=4x-x+6 | | 17x=11x+66 | | 3x+99=13x-11 | | 6b=2(b+4) | | .33*37*8= | | 11x=9x+14 | | 92-5x=22x+23 | | 16s^2+40sd+25d^2=0 | | 4(a+3)=28 | | (x+b)(x-b)=x(x-b) | | 2x-7-5x=8 | | -107-8x=10x | | 3y=2x+36 | | 5p=13 | | 25b^2-20b+4=0 | | -12+k=15-4k | | (x-1)(x+1)=(x+3)(x-2) |

Equations solver categories