(4x-1)(x+8)=0

Simple and best practice solution for (4x-1)(x+8)=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 (4x-1)(x+8)=0 equation:


Simplifying
(4x + -1)(x + 8) = 0

Reorder the terms:
(-1 + 4x)(x + 8) = 0

Reorder the terms:
(-1 + 4x)(8 + x) = 0

Multiply (-1 + 4x) * (8 + x)
(-1(8 + x) + 4x * (8 + x)) = 0
((8 * -1 + x * -1) + 4x * (8 + x)) = 0
((-8 + -1x) + 4x * (8 + x)) = 0
(-8 + -1x + (8 * 4x + x * 4x)) = 0
(-8 + -1x + (32x + 4x2)) = 0

Combine like terms: -1x + 32x = 31x
(-8 + 31x + 4x2) = 0

Solving
-8 + 31x + 4x2 = 0

Solving for variable 'x'.

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


Subproblem 1
Set the factor '(-8 + -1x)' equal to zero and attempt to solve:

Simplifying
-8 + -1x = 0

Solving
-8 + -1x = 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 + -1x = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -1x = 0 + 8
-1x = 0 + 8

Combine like terms: 0 + 8 = 8
-1x = 8

Divide each side by '-1'.
x = -8

Simplifying
x = -8

Subproblem 2
Set the factor '(1 + -4x)' equal to zero and attempt to solve:

Simplifying
1 + -4x = 0

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

Combine like terms: 1 + -1 = 0
0 + -4x = 0 + -1
-4x = 0 + -1

Combine like terms: 0 + -1 = -1
-4x = -1

Divide each side by '-4'.
x = 0.25

Simplifying
x = 0.25
Solution
x = {-8, 0.25}

See similar equations:

| -5x-15=-3x+4 | | (17-3y)11=(2y+1)2 | | -115+25c-7=245c-182-50 | | 7*2/7 | | -3(-4-6m)=-8+7(m-5) | | 3x=5-2y | | 3x/4-x/8 | | 115+25c-7=245c-182-50 | | 3X-6Y=54 | | -9x-4y=36 | | 12y^2-39y+27= | | -9x-4y=39 | | 8x+3(24)=24 | | 7(8a-5)=133 | | -3p+p+1= | | 8(24)+3y=24 | | 5pg^2-3px= | | -4+6(X-5)=13X+5-7X | | 7(A-5)+10=4(A-4) | | R=n/4(b+l) | | x+2x^2-1=x^2-2-x | | 17x-5=3+15x | | 4(4X-3)+6=-5 | | x=3+-0.375y | | 2/7t=-1/14 | | 4X-9=2X+37 | | x^4-5x^3=0 | | 42-3X=-9X | | -2(4y-29)=3(11-y) | | 0.5(20+X)-2.5x=0.15(40) | | -0.5(y+16)=0.7(y-20) | | 1/2X+8=12 |

Equations solver categories