2x^2+3x=70-x

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


Simplifying
2x2 + 3x = 70 + -1x

Reorder the terms:
3x + 2x2 = 70 + -1x

Solving
3x + 2x2 = 70 + -1x

Solving for variable 'x'.

Reorder the terms:
-70 + 3x + x + 2x2 = 70 + -1x + -70 + x

Combine like terms: 3x + x = 4x
-70 + 4x + 2x2 = 70 + -1x + -70 + x

Reorder the terms:
-70 + 4x + 2x2 = 70 + -70 + -1x + x

Combine like terms: 70 + -70 = 0
-70 + 4x + 2x2 = 0 + -1x + x
-70 + 4x + 2x2 = -1x + x

Combine like terms: -1x + x = 0
-70 + 4x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-35 + 2x + x2) = 0

Factor a trinomial.
2((-7 + -1x)(5 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

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

Subproblem 2

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {-7, 5}

See similar equations:

| (-4)(5)+8= | | -63/7= | | (-3)(2)(-2)= | | -5/3e-2/3e=24 | | (8)(-11)= | | 5p-p+6= | | 2/3x-1/5=3/10 | | 290/1 | | 0.99x=100 | | 6x-m=x^2+3 | | 5Y^2+28Y+40=0 | | -(r-9)-3(9r-9)=-20 | | Y=3x^3+6x^2+9x | | 14(x-10)=7(2x-1) | | 9z=0.75 | | -7=9.75(3+10k)-5k | | 9z=3/4 | | 9+2(5c+3)=135 | | -102=y-47 | | 2(10r+12)+4(r+1)=3r+5+14r-5 | | 0,25/0,75*(60/50)=(60/50) | | 5x-4y=44 | | x+(20-x)=20 | | (0,25/0,75)*(60/50)=(60/50) | | 4*2x=6 | | 4y*2x=6 | | 7x-9=60 | | 2-2(9-7p)=-4(-11p-11) | | 3/x-1/7=1/2x-3/4 | | 2x+2x=34 | | 16+9sin^2(x)=7+9cos^2(x) | | 8+2=16206 |

Equations solver categories