3x+x^2=70

Simple and best practice solution for 3x+x^2=70 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 3x+x^2=70 equation:


Simplifying
3x + x2 = 70

Solving
3x + x2 = 70

Solving for variable 'x'.

Reorder the terms:
-70 + 3x + x2 = 70 + -70

Combine like terms: 70 + -70 = 0
-70 + 3x + x2 = 0

Factor a trinomial.
(-10 + -1x)(7 + -1x) = 0

Subproblem 1

Set the factor '(-10 + -1x)' equal to zero and attempt to solve: Simplifying -10 + -1x = 0 Solving -10 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + -1x = 0 + 10 Combine like terms: -10 + 10 = 0 0 + -1x = 0 + 10 -1x = 0 + 10 Combine like terms: 0 + 10 = 10 -1x = 10 Divide each side by '-1'. x = -10 Simplifying x = -10

Subproblem 2

Set the factor '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7

Solution

x = {-10, 7}

See similar equations:

| Lnx-ln(x-2)=3 | | 96=-12n | | 10+2(6a+5)=5a+1-6a+3 | | -23=-2+7b | | 2(6a+5)=5a+1-6a+3 | | 3xy-7xz= | | 2(6a+5)=5a+1-6a | | 8a+7=-5+2a | | 8a+2=-5+2a | | 5a+2=-5+2a | | 5a+5=-5+2a | | 5a+5=-5+2a-1 | | 5a+5=(-1a+1)-5+2-1 | | 5a(8+2a)+5=(-1a+1)-5+2-1 | | 5+ln(2x-1)=8 | | 4+(1+x)=12 | | 4/y=2/9 | | 7z(8+3)=5z(1+8)2z(-1+8) | | y+5=7/8x+6 | | -2(x+4)=2 | | 3x^2=16x+35 | | 5a(8+2a)+5=(-1a+1)-5+2 | | x^3-4x=25 | | 3[4x-3(4x+y)]= | | 5a(8+2a)+5=(-1a+1)-5+12 | | 3[5x-5(y-3)]= | | 1/2x-4=11 | | -14x-20=-12x+20 | | 7x^2-x+2/3x^2+4x-10 | | 8z-3z=24-6 | | 2x-1+3y-5=4x-y+1 | | 2x-1+3y-5=4x-y |

Equations solver categories