3x^2=28-17x

Simple and best practice solution for 3x^2=28-17x 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^2=28-17x equation:


Simplifying
3x2 = 28 + -17x

Solving
3x2 = 28 + -17x

Solving for variable 'x'.

Reorder the terms:
-28 + 17x + 3x2 = 28 + -17x + -28 + 17x

Reorder the terms:
-28 + 17x + 3x2 = 28 + -28 + -17x + 17x

Combine like terms: 28 + -28 = 0
-28 + 17x + 3x2 = 0 + -17x + 17x
-28 + 17x + 3x2 = -17x + 17x

Combine like terms: -17x + 17x = 0
-28 + 17x + 3x2 = 0

Factor a trinomial.
(-7 + -1x)(4 + -3x) = 0

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 '(4 + -3x)' equal to zero and attempt to solve: Simplifying 4 + -3x = 0 Solving 4 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -3x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -3x = 0 + -4 -3x = 0 + -4 Combine like terms: 0 + -4 = -4 -3x = -4 Divide each side by '-3'. x = 1.333333333 Simplifying x = 1.333333333

Solution

x = {-7, 1.333333333}

See similar equations:

| x-7y=42 | | 4x-3+x+17=180 | | (7x-9)(x+7)=0 | | 4x^2+32x-9=0 | | 3(y+4)=36 | | -(5-6i)(5+6i)= | | 20=-3(-x+4) | | y=2-(1-x)3x | | x^2y^2-625=0 | | 3y=6y-15 | | 5/3-7=7 | | 49t^2+121y^2=0 | | 20x+15y=1020 | | 110+(4x+10)=180 | | 2sin^2(u)=1-sinu | | 59.7=2(3.14)r | | 16y^2+25-40y=0 | | -50=1/4x-10 | | 7=8x+15 | | 21/0.5= | | 40y-45+9y=-1 | | 3(x^2-8x+16)= | | 9x+5(x-2)=3x-4x^2+(2x+5)(2x-7) | | -2=12-x/7 | | 7p^2+7p-18=0 | | 3(5m-1)-2=4(3m-2)+6 | | 6(n+7)+2=9n+38-5n | | 17p+3-6p^2=0 | | 3sinx-9cosx=0 | | 6y-3=21-6y | | 12x+9=3x(4+3) | | 5(4m-3)-8=37 |

Equations solver categories