(4+X)(5X-8)=

Simple and best practice solution for (4+X)(5X-8)= 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 (4+X)(5X-8)= equation: 


Simplifying
(4 + X)(5X + -8) = 0

Reorder the terms:
(4 + X)(-8 + 5X) = 0

Multiply (4 + X) * (-8 + 5X)
(4(-8 + 5X) + X(-8 + 5X)) = 0
((-8 * 4 + 5X * 4) + X(-8 + 5X)) = 0
((-32 + 20X) + X(-8 + 5X)) = 0
(-32 + 20X + (-8 * X + 5X * X)) = 0
(-32 + 20X + (-8X + 5X2)) = 0

Combine like terms: 20X + -8X = 12X
(-32 + 12X + 5X2) = 0

Solving
-32 + 12X + 5X2 = 0

Solving for variable 'X'.

Factor a trinomial.
(-4 + -1X)(8 + -5X) = 0


Subproblem 1
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

Subproblem 2
Set the factor '(8 + -5X)' equal to zero and attempt to solve:

Simplifying
8 + -5X = 0

Solving
8 + -5X = 0

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

Add '-8' to each side of the equation.
8 + -8 + -5X = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -5X = 0 + -8
-5X = 0 + -8

Combine like terms: 0 + -8 = -8
-5X = -8

Divide each side by '-5'.
X = 1.6

Simplifying
X = 1.6
Solution
X = {-4, 1.6}

See similar equations:

| 1/4+x=1/8 | | 12x^2+41x-70=0 | | 1/3x-7y=-50 | | 32=5-3/2 | | m/Pi=7.3 | | 2y-8=27 | | (u+6)(u-2)=0 | | 1/2h+1/3(h-6)=5/6+2 | | 25+7a=25 | | 2x-26=6 | | -6+3a-b-4a+4b+5= | | 3x=399 | | 8z+2=3z-25 | | X+2x=399 | | 1.3/6.5 | | 135/1125 | | 3-2x+5=8(2-1)+3x | | x+6/7=-15/7 | | 1125/135 | | 5u-2=-3(u+6) | | 9h-33=h | | 9h+-3=h | | 3/5x-7/8=11/4 | | 5*1/9+8/23*184/24-2 | | -2y+14-9y+5= | | 2/3+5(1/9) | | 2/3m=m+4 | | 2x+3iy=12+12i | | 8/23*184/24-2 | | 21+2x=x | | 8t^2-67t+31=0 | | 13r-2r-9+3= |

Equations solver categories