=x^2+5x-336

Simple and best practice solution for =x^2+5x-336 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+5x-336 equation: 


Simplifying
0 = x2 + 5x + -336

Reorder the terms:
0 = -336 + 5x + x2

Solving
0 = -336 + 5x + x2

Solving for variable 'x'.

Combine like terms: 0 + 336 = 336
336 + -5x + -1x2 = -336 + 5x + x2 + 336 + -5x + -1x2

Reorder the terms:
336 + -5x + -1x2 = -336 + 336 + 5x + -5x + x2 + -1x2

Combine like terms: -336 + 336 = 0
336 + -5x + -1x2 = 0 + 5x + -5x + x2 + -1x2
336 + -5x + -1x2 = 5x + -5x + x2 + -1x2

Combine like terms: 5x + -5x = 0
336 + -5x + -1x2 = 0 + x2 + -1x2
336 + -5x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
336 + -5x + -1x2 = 0

Factor a trinomial.
(16 + -1x)(21 + x) = 0


Subproblem 1
Set the factor '(16 + -1x)' equal to zero and attempt to solve:

Simplifying
16 + -1x = 0

Solving
16 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-16' to each side of the equation.
16 + -16 + -1x = 0 + -16

Combine like terms: 16 + -16 = 0
0 + -1x = 0 + -16
-1x = 0 + -16

Combine like terms: 0 + -16 = -16
-1x = -16

Divide each side by '-1'.
x = 16

Simplifying
x = 16

Subproblem 2
Set the factor '(21 + x)' equal to zero and attempt to solve:

Simplifying
21 + x = 0

Solving
21 + x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-21' to each side of the equation.
21 + -21 + x = 0 + -21

Combine like terms: 21 + -21 = 0
0 + x = 0 + -21
x = 0 + -21

Combine like terms: 0 + -21 = -21
x = -21

Simplifying
x = -21
Solution
x = {16, -21}

See similar equations:

| y-12=13(x-9) | | 0.5x^2-0.5x-21= | | 9-6x=24 | | -6r+12-8f=-2 | | 3(w-3)=15 | | -4(x-5)=22-3x | | ln(8-3x)=-5 | | 3(t-4)-6= | | -4(4y-7)-y=-2(y-3) | | 3a-42=-3a(a+4) | | (x-12)4=36+3x | | 3y+5(56+-0.6y)-100=180 | | -4(4y-7)-y=-2 | | -16t^2+24=0 | | x+(x+4)+(2x-32)=180 | | 3a-42=3a-19 | | 4(x+8)+3=-17 | | 17y-12=180 | | 8z-3(0.5+10x)=-2-22.4x | | 3y+5x-100=180 | | -16t^2+24-8=0 | | x(x+4)+(2x-32)=180 | | (n+41)2+5=n | | 6(m+2)=36 | | 5g+5v=t | | 10a^2-10=0 | | 64+4b=-4b | | (3w-3)-(-5w+7)= | | 5(2-x)=7x-16 | | 7(6c-1)=40c+7 | | -16t^2+24t+50=0 | | 4f=4x+2 |

Equations solver categories