(x*x)-3x-4=0

Simple and best practice solution for (x*x)-3x-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*x)-3x-4=0 equation:


Simplifying
(x * x) + -3x + -4 = 0

Multiply x * x
(x2) + -3x + -4 = 0
x2 + -3x + -4 = 0

Reorder the terms:
-4 + -3x + x2 = 0

Solving
-4 + -3x + x2 = 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:

| 3y^2-15y+18= | | 8x-(6+7x)= | | 2(x-5)+-4x=5-3x | | a^2+4a-12= | | 3x-2(-x)+4x=3(-x)+x-20 | | c^2-8c+15= | | -5=-4.9x^2+22x | | c^2-4c+5= | | 9x-18x=0 | | 4y+4= | | 156=176-0.8A | | p^2+8p+15= | | 2(4+5p)=19 | | 2(3+2a)=9 | | 5-4+5= | | 9y^2-15y+6= | | -12(2)+6(6)/-5-(-1)= | | 4a^2+18a-10= | | 6-4+5= | | -12(2)+6(6)= | | 6x^2+18x+12= | | 7x+2=5-3x | | 7(x+8)-43= | | 4n^2-14n+12= | | 7(x+8)-43=7x+13 | | 4n^2+18a-10= | | 9x^2+29=12x | | 3x-20=8x-72 | | 40-7=5+p | | =14rs-2rs+7rs | | 6x^2+8x-8= | | 5a=a+2 |

Equations solver categories