x(x+7)=198

Simple and best practice solution for x(x+7)=198 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(x+7)=198 equation:


Simplifying
x(x + 7) = 198

Reorder the terms:
x(7 + x) = 198
(7 * x + x * x) = 198
(7x + x2) = 198

Solving
7x + x2 = 198

Solving for variable 'x'.

Reorder the terms:
-198 + 7x + x2 = 198 + -198

Combine like terms: 198 + -198 = 0
-198 + 7x + x2 = 0

Factor a trinomial.
(-18 + -1x)(11 + -1x) = 0

Subproblem 1

Set the factor '(-18 + -1x)' equal to zero and attempt to solve: Simplifying -18 + -1x = 0 Solving -18 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '18' to each side of the equation. -18 + 18 + -1x = 0 + 18 Combine like terms: -18 + 18 = 0 0 + -1x = 0 + 18 -1x = 0 + 18 Combine like terms: 0 + 18 = 18 -1x = 18 Divide each side by '-1'. x = -18 Simplifying x = -18

Subproblem 2

Set the factor '(11 + -1x)' equal to zero and attempt to solve: Simplifying 11 + -1x = 0 Solving 11 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + -1x = 0 + -11 Combine like terms: 11 + -11 = 0 0 + -1x = 0 + -11 -1x = 0 + -11 Combine like terms: 0 + -11 = -11 -1x = -11 Divide each side by '-1'. x = 11 Simplifying x = 11

Solution

x = {-18, 11}

See similar equations:

| -3x^2-48x+4=0 | | (x-(3+3i))(x-(3-3i))(x-4)(x+2)=0 | | (48-x)+39=50 | | 9x-3=7(x+2) | | X(x^2-x^2)=13 | | -4x+55-3x=2x+1 | | 12x+1=73 | | X^2-x^2=13 | | 15x+7-3x=10x-7+4x | | 2x+-2=-6 | | [x-1]2+[2-x]x=-x+9 | | 3x-48x+48=0 | | 4x+3+6x=35-6x | | 4x+3+6x=34-6x | | 4x+3+6x=35-8x | | 4x+3+6x=34-8x | | 3x-1=9+x-2 | | 110+2x+y=180 | | 10x+0.2y=0 | | 25=1/3(x^2)(x-2) | | -16+x=14 | | P=80+-5Q | | solve-16+x=14 | | (3x-2y+3)dy-(2y-3x-1)dx=0 | | 3(4p+7)+4(7p-7)=8(5p-4)+6(7p-3)+1 | | 1-2x(x+5)(x-3)= | | Y-x=5y+15 | | (15x)+y=95 | | 5+.65x=10+.45w | | 12+2x(18-14)2= | | 0.75+b=21 | | 5x/7=75 |

Equations solver categories