4x^2-19x+21=-3x+6

Simple and best practice solution for 4x^2-19x+21=-3x+6 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 4x^2-19x+21=-3x+6 equation:


Simplifying
4x2 + -19x + 21 = -3x + 6

Reorder the terms:
21 + -19x + 4x2 = -3x + 6

Reorder the terms:
21 + -19x + 4x2 = 6 + -3x

Solving
21 + -19x + 4x2 = 6 + -3x

Solving for variable 'x'.

Reorder the terms:
21 + -6 + -19x + 3x + 4x2 = 6 + -3x + -6 + 3x

Combine like terms: 21 + -6 = 15
15 + -19x + 3x + 4x2 = 6 + -3x + -6 + 3x

Combine like terms: -19x + 3x = -16x
15 + -16x + 4x2 = 6 + -3x + -6 + 3x

Reorder the terms:
15 + -16x + 4x2 = 6 + -6 + -3x + 3x

Combine like terms: 6 + -6 = 0
15 + -16x + 4x2 = 0 + -3x + 3x
15 + -16x + 4x2 = -3x + 3x

Combine like terms: -3x + 3x = 0
15 + -16x + 4x2 = 0

Factor a trinomial.
(3 + -2x)(5 + -2x) = 0

Subproblem 1

Set the factor '(3 + -2x)' equal to zero and attempt to solve: Simplifying 3 + -2x = 0 Solving 3 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2x = 0 + -3 -2x = 0 + -3 Combine like terms: 0 + -3 = -3 -2x = -3 Divide each side by '-2'. x = 1.5 Simplifying x = 1.5

Subproblem 2

Set the factor '(5 + -2x)' equal to zero and attempt to solve: Simplifying 5 + -2x = 0 Solving 5 + -2x = 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 + -2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2x = 0 + -5 -2x = 0 + -5 Combine like terms: 0 + -5 = -5 -2x = -5 Divide each side by '-2'. x = 2.5 Simplifying x = 2.5

Solution

x = {1.5, 2.5}

See similar equations:

| -37=3x+3x-7 | | 75+w=452 | | -8x+6=94 | | -8/9+2/-5= | | 4x-4=7x-1 | | 6(n-8)-7=6n-4 | | 14y-19y=25 | | 1-10x=-2x+35 | | -x-7+3x=-7 | | 26+4y=38 | | 7(x-1.3)=56 | | 6x-18=8x+16 | | 4a+5=24 | | -x+10+4x=-14 | | -15=-12n | | 5x+9=1x-23 | | 4w-w=12 | | 2x=4-5 | | -7x+8-2x=-19 | | 48=6k | | 5+x/9=4 | | 2x^2+26x-1080=0 | | 6(Z-67)=5(Z-44) | | 3x-1+2x=9 | | x/3-2=-2 | | 4+x+3x=-44 | | x-3.9=5.9 | | 4-6x=3-x | | 4-(-7x)=13-6x | | 1/9-2/3= | | 8+x/4=3 | | 12m-4= |

Equations solver categories