x^2+4x=165

Simple and best practice solution for x^2+4x=165 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+4x=165 equation:


Simplifying
x2 + 4x = 165

Reorder the terms:
4x + x2 = 165

Solving
4x + x2 = 165

Solving for variable 'x'.

Reorder the terms:
-165 + 4x + x2 = 165 + -165

Combine like terms: 165 + -165 = 0
-165 + 4x + x2 = 0

Factor a trinomial.
(-15 + -1x)(11 + -1x) = 0

Subproblem 1

Set the factor '(-15 + -1x)' equal to zero and attempt to solve: Simplifying -15 + -1x = 0 Solving -15 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '15' to each side of the equation. -15 + 15 + -1x = 0 + 15 Combine like terms: -15 + 15 = 0 0 + -1x = 0 + 15 -1x = 0 + 15 Combine like terms: 0 + 15 = 15 -1x = 15 Divide each side by '-1'. x = -15 Simplifying x = -15

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 = {-15, 11}

See similar equations:

| 7x^2-5x-12=0 | | -63.75=12.5k | | 8x-12+8x-32=4x+12 | | x^2+x-37=0 | | 1.4q-1.8-4.5q=-2.1q-1.8 | | 25+6t= | | 8x+12+8x-32=4x+12 | | -12x+9=-6 | | -3m=25 | | 0.6(7x+14)=1.2-(x+2) | | 2x+2x=-3 | | 90=(90.33+x)/2 | | x=(90.33+x)/2 | | 30-2x=-6 | | 7x-0.15=2x+0.6 | | x+2-0.5x=1+0.5x+1 | | 8-0.25x=0.5x+2 | | 9x^2+5x+3=0 | | 20=5-(n+6) | | 5x=(4x-2)(m+6) | | -17x=-34 | | 2(x+6)-(2x+12)=0 | | 8t=-100 | | 15+x^2=-8X | | x(x^2-x+34)=0 | | 6x+5=6y | | 24x-96=20-8x+21-9x | | 1000(7x-10)=50(412+100x) | | 6x+5=3x-2 | | 4s=-32 | | 4x+2+3x-16=10 | | -3(w+5)+7=-20 |

Equations solver categories