(-x-1)(-x+4)=0

Simple and best practice solution for (-x-1)(-x+4)=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-1)(-x+4)=0 equation:


Simplifying
(-1x + -1)(-1x + 4) = 0

Reorder the terms:
(-1 + -1x)(-1x + 4) = 0

Reorder the terms:
(-1 + -1x)(4 + -1x) = 0

Multiply (-1 + -1x) * (4 + -1x)
(-1(4 + -1x) + -1x * (4 + -1x)) = 0
((4 * -1 + -1x * -1) + -1x * (4 + -1x)) = 0
((-4 + 1x) + -1x * (4 + -1x)) = 0
(-4 + 1x + (4 * -1x + -1x * -1x)) = 0
(-4 + 1x + (-4x + 1x2)) = 0

Combine like terms: 1x + -4x = -3x
(-4 + -3x + 1x2) = 0

Solving
-4 + -3x + 1x2 = 0

Solving for variable 'x'.

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

Subproblem 1

Set the factor '(-1 + -1x)' equal to zero and attempt to solve: Simplifying -1 + -1x = 0 Solving -1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -1x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1x = 0 + 1 -1x = 0 + 1 Combine like terms: 0 + 1 = 1 -1x = 1 Divide each side by '-1'. x = -1 Simplifying x = -1

Subproblem 2

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

Solution

x = {-1, 4}

See similar equations:

| 13x-22=8x+23 | | (3x+y+4)(5x)= | | -5c=2/24 | | 12a+6=10a+22 | | (x+4)2=4x+41+4x | | x+22/2+x+40/8=11 | | 42=x(7) | | -4d=6d-10 | | y+6/4+y-3/5=5y-4/8 | | 9x+3=5-(4x-2) | | -7b+92b+45b= | | 25y+16xy-9xy+7y= | | 16x^3-16x^2+60x=0 | | x^2-100+21x=0 | | 3-(x+1)=4 | | 4+3*5= | | 6363h-6263=1 | | 3m-4n-8= | | 7(x-2)-2(x-3)=19 | | 8x+7=3x+37whatisx | | 3(2x+1)+5=4x | | (x-5)(x-7)(x+6)(x+4)=504 | | x^2+2x=-2k | | 12x+3y+24=0 | | -2x+(-2)=-3 | | 2x+3(55-2x)=85 | | 9(y-8)=18 | | 5(x-2)-3=2(x+4) | | 5-(6x-4)/5=x-3 | | -2x+15=4x-9 | | 7x^2-16x+88=0 | | 4x+2y=54 |

Equations solver categories