-x^2-3x+28=0

Simple and best practice solution for -x^2-3x+28=0 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^2-3x+28=0 equation:


Simplifying
-1x2 + -3x + 28 = 0

Reorder the terms:
28 + -3x + -1x2 = 0

Solving
28 + -3x + -1x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(4 + -1x)(7 + x) = 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 + x)' equal to zero and attempt to solve: Simplifying 7 + x = 0 Solving 7 + x = 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 + x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + x = 0 + -7 x = 0 + -7 Combine like terms: 0 + -7 = -7 x = -7 Simplifying x = -7

Solution

x = {4, -7}

See similar equations:

| 9x+8=6x+20 | | 3(x-1)=2x-2 | | 2.6=0.3x+0.4x+0.4 | | 14x-129=6x-9 | | 4(0.125)+y=2 | | a^2-64=0 | | 106-5x=40x+21 | | 5x-3=14x-48 | | 8n+9=64 | | 4x+4x+1=2 | | 13-10x=136-31x | | x^2+7x-30=0 | | 3(x+5)=2(4-x) | | 6(y+4)-(y+3)=y-1 | | 3x+40=13x-40 | | x^2-11x+13=-3x+1 | | 9x-17=6x+4 | | 5x-2=58 | | 2a+8=5a-6 | | -15(0)+12y=0 | | 4x+y=2 | | 4x^2-23x+47=5x+2 | | 5(9-w)=4(w+18) | | -15x+12(0)=0 | | 6x^2+17x-3=0 | | 6x+10=-65-9x | | 105-4x=3x+7 | | 4x+4=12+2x+6 | | 4(0)+5y=5 | | x^2+3x-35=0 | | 6+24v-(-11-v)=42 | | 0.15+w+14=14.60 |

Equations solver categories