(7x-1)(x+2)=0

Simple and best practice solution for (7x-1)(x+2)=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-1)(x+2)=0 equation:


Simplifying
(7x + -1)(x + 2) = 0

Reorder the terms:
(-1 + 7x)(x + 2) = 0

Reorder the terms:
(-1 + 7x)(2 + x) = 0

Multiply (-1 + 7x) * (2 + x)
(-1(2 + x) + 7x * (2 + x)) = 0
((2 * -1 + x * -1) + 7x * (2 + x)) = 0
((-2 + -1x) + 7x * (2 + x)) = 0
(-2 + -1x + (2 * 7x + x * 7x)) = 0
(-2 + -1x + (14x + 7x2)) = 0

Combine like terms: -1x + 14x = 13x
(-2 + 13x + 7x2) = 0

Solving
-2 + 13x + 7x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-2 + -1x)(1 + -7x) = 0

Subproblem 1

Set the factor '(-2 + -1x)' equal to zero and attempt to solve: Simplifying -2 + -1x = 0 Solving -2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x = 0 + 2 -1x = 0 + 2 Combine like terms: 0 + 2 = 2 -1x = 2 Divide each side by '-1'. x = -2 Simplifying x = -2

Subproblem 2

Set the factor '(1 + -7x)' equal to zero and attempt to solve: Simplifying 1 + -7x = 0 Solving 1 + -7x = 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 + -7x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -7x = 0 + -1 -7x = 0 + -1 Combine like terms: 0 + -1 = -1 -7x = -1 Divide each side by '-7'. x = 0.1428571429 Simplifying x = 0.1428571429

Solution

x = {-2, 0.1428571429}

See similar equations:

| 3x-50=2x-58 | | 8x+9+5x-3= | | 2*6=3*X | | 10w=7100 | | 6.5-2.3=7.8-X | | 6e+7=4e | | 4x-29=3 | | 16x-7=1+12x | | (5x+1)*(4y+3)=80x | | Y=3x*sinx | | 4(7-2x)=16 | | 5y=12+22 | | -3x-2(5x-17)=3 | | t^2-5t+7=0 | | -3x-2(5x-17)=-12 | | (6-w)(3w+5)=0 | | y-9=2y-4 | | 7c+8=35-2c | | 4n+2=2n+9 | | 26=3b-2-7 | | 12m-8= | | 8c+5c=9c+20 | | 3+(2m+m)=5(2-5)+6 | | -8x-3y=13 | | 2(4x+1)-31=x+35 | | 3(x+2)+3x-3=21 | | 3z+5z-12z=32 | | 8d-35=3d | | 5a+7=a+15 | | (3a+2p)2-(a+p)2= | | 1=8-11+5 | | x+7=-2x+14 |

Equations solver categories