(7x-4)(x+1)=0

Simple and best practice solution for (7x-4)(x+1)=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 (7x-4)(x+1)=0 equation:


Simplifying
(7x + -4)(x + 1) = 0

Reorder the terms:
(-4 + 7x)(x + 1) = 0

Reorder the terms:
(-4 + 7x)(1 + x) = 0

Multiply (-4 + 7x) * (1 + x)
(-4(1 + x) + 7x * (1 + x)) = 0
((1 * -4 + x * -4) + 7x * (1 + x)) = 0
((-4 + -4x) + 7x * (1 + x)) = 0
(-4 + -4x + (1 * 7x + x * 7x)) = 0
(-4 + -4x + (7x + 7x2)) = 0

Combine like terms: -4x + 7x = 3x
(-4 + 3x + 7x2) = 0

Solving
-4 + 3x + 7x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-1 + -1x)(4 + -7x) = 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 + -7x)' equal to zero and attempt to solve: Simplifying 4 + -7x = 0 Solving 4 + -7x = 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 + -7x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -7x = 0 + -4 -7x = 0 + -4 Combine like terms: 0 + -4 = -4 -7x = -4 Divide each side by '-7'. x = 0.5714285714 Simplifying x = 0.5714285714

Solution

x = {-1, 0.5714285714}

See similar equations:

| 7x+3=34 | | y=100-2(17) | | x(x+6)=1 | | 9x^2=4+8x | | 7x+4y+7z-2x=5z-5y | | 0.5(9.8)x^2=3 | | 1000(0.2)(1)(15-x)=5000 | | 10=100-2x | | 7(x-3)-3x=11 | | y=100-2(50) | | oy=o | | a=b^2c-d | | 20+p=40 | | 7+13+x=x+x+(x-5)+(x-5) | | 4k^2+7=-11k | | 2x+20=6(x-3)+2(x+4) | | t-64=312 | | 400=w+110 | | 756x+5796y=2000 | | 3y-10=47+10 | | 5x+9y=458 | | 9v+15=12 | | 22=q-12 | | 3=3+tan | | 5q-14q=2 | | 2v*v-17v=19 | | 5x+2(x-3)+2=4(x+5) | | 1+F+3+F=F+5 | | y=100-2(5) | | 2a*a-70=4a | | 4x-5=7x+19 | | -7w-8-2w= |

Equations solver categories