x^2=28+3x

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


Simplifying
x2 = 28 + 3x

Solving
x2 = 28 + 3x

Solving for variable 'x'.

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

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

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

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

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

Subproblem 1

Set the factor '(-4 + -1x)' equal to zero and attempt to solve: Simplifying -4 + -1x = 0 Solving -4 + -1x = 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 + -1x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1x = 0 + 4 -1x = 0 + 4 Combine like terms: 0 + 4 = 4 -1x = 4 Divide each side by '-1'. x = -4 Simplifying x = -4

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 = {-4, 7}

See similar equations:

| x^2-4x+m=0 | | solve-3x+5-x=20 | | x^2=32+4x | | x^2=-36-13x | | x^2=-32+12x | | x^2=-27+12x | | 10-t=17 | | -6+7y=-5y^2 | | 3+3(z+2)=42 | | x^2=14-5x | | 11x+3=5x+1 | | 9p+1=7p-9 | | I=prt*t | | -16x=-32 | | 15x+40=8x+95 | | F=2c+28 | | 11x+3=3x+5 | | 4x+3-2=2x+7 | | A=4r+9 | | 0.25x^2+1=33 | | z+3=5+8 | | 26y+32x=800 | | F=2c+30 | | 32x+26y=800 | | a^4-a^2b^2-12b^4=0 | | y=(8x-3)(6x-4)(x+1) | | 5q=-7+6 | | h^2=.183673469 | | 6x-9=3x+24 | | Y=x*2+x-4 | | 0.002k+0.04=2.04 | | .002k+0.04=2.04 |

Equations solver categories