x^2+7*x=540

Simple and best practice solution for x^2+7*x=540 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+7*x=540 equation:


Simplifying
x2 + 7x = 540

Reorder the terms:
7x + x2 = 540

Solving
7x + x2 = 540

Solving for variable 'x'.

Reorder the terms:
-540 + 7x + x2 = 540 + -540

Combine like terms: 540 + -540 = 0
-540 + 7x + x2 = 0

Factor a trinomial.
(-27 + -1x)(20 + -1x) = 0

Subproblem 1

Set the factor '(-27 + -1x)' equal to zero and attempt to solve: Simplifying -27 + -1x = 0 Solving -27 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '27' to each side of the equation. -27 + 27 + -1x = 0 + 27 Combine like terms: -27 + 27 = 0 0 + -1x = 0 + 27 -1x = 0 + 27 Combine like terms: 0 + 27 = 27 -1x = 27 Divide each side by '-1'. x = -27 Simplifying x = -27

Subproblem 2

Set the factor '(20 + -1x)' equal to zero and attempt to solve: Simplifying 20 + -1x = 0 Solving 20 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-20' to each side of the equation. 20 + -20 + -1x = 0 + -20 Combine like terms: 20 + -20 = 0 0 + -1x = 0 + -20 -1x = 0 + -20 Combine like terms: 0 + -20 = -20 -1x = -20 Divide each side by '-1'. x = 20 Simplifying x = 20

Solution

x = {-27, 20}

See similar equations:

| 2-n=5 | | -1/20k=11 | | -3/2k=8 | | 8x+2y-16=0 | | 2x+1=2+6 | | y^2*y^2=50 | | (x+y+1)dy+(4x+3y+1)dx=0 | | 2(x+2.5)=4(x-0.5) | | z^2+3iz+2=0 | | 4(x-1)+5(x+1)=100 | | sinx=4x | | 62x=13x^2 | | y1/ | | 0.1x=0.43 | | y+25x=0 | | v=4pir^3/3 | | 4(3x-1)=5(4x-1)-4(3x-2) | | 3c+8=c+12 | | 5x+2=7(x-2) | | 160/?=0.2 | | 0.2=160/? | | 12t^3-48t^2+48t=0 | | 9=20log(x/30) | | 27x^3-18/9x | | x^2+8x+16=9y | | -(4x+1)-3(3-x)=-2 | | 2(-7-3)/4 | | x^3=64/125 | | (2x-3)(x^2-x+1)=2x^2-3x | | x*x*x=0.512 | | f(x)=ln(30x) | | -2x-7=3x-4 |

Equations solver categories