-2(x-3)(x+5)=0

Simple and best practice solution for -2(x-3)(x+5)=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 -2(x-3)(x+5)=0 equation:


Simplifying
-2(x + -3)(x + 5) = 0

Reorder the terms:
-2(-3 + x)(x + 5) = 0

Reorder the terms:
-2(-3 + x)(5 + x) = 0

Multiply (-3 + x) * (5 + x)
-2(-3(5 + x) + x(5 + x)) = 0
-2((5 * -3 + x * -3) + x(5 + x)) = 0
-2((-15 + -3x) + x(5 + x)) = 0
-2(-15 + -3x + (5 * x + x * x)) = 0
-2(-15 + -3x + (5x + x2)) = 0

Combine like terms: -3x + 5x = 2x
-2(-15 + 2x + x2) = 0
(-15 * -2 + 2x * -2 + x2 * -2) = 0
(30 + -4x + -2x2) = 0

Solving
30 + -4x + -2x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(15 + -2x + -1x2) = 0

Factor a trinomial.
2((3 + -1x)(5 + x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 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 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Subproblem 2

Set the factor '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 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 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

Solution

x = {3, -5}

See similar equations:

| -(-4+4n)=12 | | 15=-(n-8) | | 3m-12+2m=5 | | 7x+14y=-18 | | 5(a+8)=80 | | 29=-6(1+v)-v | | -1(2-3)+2= | | 3.2y=y+0.35+0.2 | | (3.2y)=35+y+20 | | x=-.6y+3 | | 1x+34434=900000 | | -4x-45=-9x | | 8x+900=700 | | 3(x-4)/5=-2x | | 11x+4y=41 | | 3x+200=800 | | -x+7=-7x-9 | | -x-4=-2x+4 | | -2x-16=10x-5-x | | 4/5x-2+1/10=7 | | -5x-21=2x | | x/3-2=7 | | 15x-6=21 | | x+50=-5x+2 | | x/-2+5=-2 | | 15/x=3 | | x^2-10x+a=0 | | 12x+2y=36 | | 3x+2y=126 | | (n+4)=5n+20 | | (n+6)=9n+54 | | 6x+12y=11 |

Equations solver categories