(x+3)(4*x-5)=0

Simple and best practice solution for (x+3)(4*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 (x+3)(4*x-5)=0 equation:


Simplifying
(x + 3)(4x + -5) = 0

Reorder the terms:
(3 + x)(4x + -5) = 0

Reorder the terms:
(3 + x)(-5 + 4x) = 0

Multiply (3 + x) * (-5 + 4x)
(3(-5 + 4x) + x(-5 + 4x)) = 0
((-5 * 3 + 4x * 3) + x(-5 + 4x)) = 0
((-15 + 12x) + x(-5 + 4x)) = 0
(-15 + 12x + (-5 * x + 4x * x)) = 0
(-15 + 12x + (-5x + 4x2)) = 0

Combine like terms: 12x + -5x = 7x
(-15 + 7x + 4x2) = 0

Solving
-15 + 7x + 4x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-3 + -1x)(5 + -4x) = 0

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 + -4x)' equal to zero and attempt to solve: Simplifying 5 + -4x = 0 Solving 5 + -4x = 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 + -4x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -4x = 0 + -5 -4x = 0 + -5 Combine like terms: 0 + -5 = -5 -4x = -5 Divide each side by '-4'. x = 1.25 Simplifying x = 1.25

Solution

x = {-3, 1.25}

See similar equations:

| 5(x-1)=5(x+6) | | 3x^2/3-4x^1/3-4=0 | | 7y+2=4 | | 9x+10=9x-10 | | x-19/5x-45-1/5=x/7 | | 6+x-4=5x-9+1 | | 21x-4(-3x-8)=128 | | 6=s+17 | | Y^2+16x^2+2y=15 | | 12((3x^2)-8x+4)=0 | | f-0.75=1.5 | | -5x/4=-0.5 | | 12r^2s-13rs-35s=0 | | 35(x-1)=-7(5-x)+28 | | 5(-5-x)=-50 | | z+13.9=-5.7 | | 4(3a+1)-2= | | S=600m/15 | | 8x-12x^2=4 | | 5+2n-4=7n+4-4n | | x^3+4x^2-7x=10 | | -6x+7(-11-4x)=-9 | | a=3.14(11.74*11.74) | | 5x=2ya | | 3x=4y-13 | | log8n=1/3 | | 4x-18=-74 | | 8x^2+12x=4 | | c=3.14(11.74) | | -sin(7x)=0 | | 4a+7b=-22 | | =9x^2-x-32 |

Equations solver categories