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

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


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

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

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

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

Combine like terms: -2x + 7x = 5x
(-2 + 5x + 7x2) = 0

Solving
-2 + 5x + 7x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-1 + -1x)(2 + -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 '(2 + -7x)' equal to zero and attempt to solve: Simplifying 2 + -7x = 0 Solving 2 + -7x = 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 + -7x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -7x = 0 + -2 -7x = 0 + -2 Combine like terms: 0 + -2 = -2 -7x = -2 Divide each side by '-7'. x = 0.2857142857 Simplifying x = 0.2857142857

Solution

x = {-1, 0.2857142857}

See similar equations:

| -9.1=0.9-5y | | 2.18n=2n+2 | | 8-4(p+2)=2p-8(p+4) | | 16a+2a^4=1 | | 37=8x-11 | | 5r-3s=24 | | X+4.5=8.2 | | f(x)=(x+5)(x-3) | | 29=29+0.08x | | 2b-w=m | | n^2+100-39=0 | | 2X+2-4X=4-2X-2 | | 7x+4=-5+4x+15 | | -2=0.125x+3 | | 8-2(2r-3)=0 | | x+y^2-x-y^2= | | -97+12= | | -2x(x-8)-28=-12 | | 100+11= | | (x+1)*2=3x*2 | | (x+1)*2=3*2 | | X^3-3x^2-80x-28=0 | | -2(x-4)=4x | | -7(4-m)=5m | | y=0.05x^2-39 | | x^2+12x+50=15 | | x^2+2x-4=2x^2+5 | | 3(x+1)-5(x+2)= | | 20x^2+3x-3=0 | | 6y-3(y+6)=0 | | (3x+3)-(5x+10)= | | x^2+17x+78=0 |

Equations solver categories