7x+x^2=120

Simple and best practice solution for 7x+x^2=120 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 7x+x^2=120 equation:


Simplifying
7x + x2 = 120

Solving
7x + x2 = 120

Solving for variable 'x'.

Reorder the terms:
-120 + 7x + x2 = 120 + -120

Combine like terms: 120 + -120 = 0
-120 + 7x + x2 = 0

Factor a trinomial.
(-15 + -1x)(8 + -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 '(8 + -1x)' equal to zero and attempt to solve: Simplifying 8 + -1x = 0 Solving 8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1x = 0 + -8 -1x = 0 + -8 Combine like terms: 0 + -8 = -8 -1x = -8 Divide each side by '-1'. x = 8 Simplifying x = 8

Solution

x = {-15, 8}

See similar equations:

| -3(1/3)x=(1/2) | | 2sin(x)tan(x)-tanx=1-2sin(x) | | 2/1/2=x-1/1/4 | | 2/3(15)=y | | .6x=28.8 | | f(x)=(x-1)(x-3)(x-5) | | 9x+40=61 | | y=0.12x+100 | | -63=f-32 | | s(w)=25x+140 | | 90+20y= | | 3p-3-2p-4=6 | | 0.002x+4.1=6.3 | | 3x-3=-x+29 | | 4y=83 | | 12x-6=10x+30 | | 4m^2-18m-14=0 | | (w+3)(w+2)=42 | | 7/5=6x/5 | | 3m+4=2m+7 | | -2x+3=-7x-52 | | -2n-9=4y+15 | | 88+y=99 | | 2-w=10 | | 6/x=-4 | | (3p-3)-(2p-4)=6 | | 8(-12)/[2(-8)-3(-5)] | | 2x22/7x14 | | 5w-2w+10=4 | | .55x=220 | | 110.64x+4.32=-1.76 | | X^2=-8/6 |

Equations solver categories