(2x-2)(7x+9)=

Simple and best practice solution for (2x-2)(7x+9)= 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 (2x-2)(7x+9)= equation: 


Simplifying
(2x + -2)(7x + 9) = 0

Reorder the terms:
(-2 + 2x)(7x + 9) = 0

Reorder the terms:
(-2 + 2x)(9 + 7x) = 0

Multiply (-2 + 2x) * (9 + 7x)
(-2(9 + 7x) + 2x * (9 + 7x)) = 0
((9 * -2 + 7x * -2) + 2x * (9 + 7x)) = 0
((-18 + -14x) + 2x * (9 + 7x)) = 0
(-18 + -14x + (9 * 2x + 7x * 2x)) = 0
(-18 + -14x + (18x + 14x2)) = 0

Combine like terms: -14x + 18x = 4x
(-18 + 4x + 14x2) = 0

Solving
-18 + 4x + 14x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-9 + 2x + 7x2) = 0

Factor a trinomial.
2((-9 + -7x)(1 + -1x)) = 0

Ignore the factor 2.

Subproblem 1
Set the factor '(-9 + -7x)' equal to zero and attempt to solve:

Simplifying
-9 + -7x = 0

Solving
-9 + -7x = 0

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

Add '9' to each side of the equation.
-9 + 9 + -7x = 0 + 9

Combine like terms: -9 + 9 = 0
0 + -7x = 0 + 9
-7x = 0 + 9

Combine like terms: 0 + 9 = 9
-7x = 9

Divide each side by '-7'.
x = -1.285714286

Simplifying
x = -1.285714286

Subproblem 2
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
Solution
x = {-1.285714286, 1}

See similar equations:

| 6x-2x-9-4=35 | | -35=35 | | 7(h-2)+11=-3 | | 4X/9-X=8/5-X-3/5 | | 2x-22=8+x | | 2c^2-10c+8=0 | | 14x+20=5x+263 | | -3n+9n=24 | | 6x+2.4-3.5x=0.9x-3.2 | | 8x+9y=172 | | -4x--12=-82 | | -37-2x=-8+59 | | 44-X/5=X/6 | | 6n-7=4n+5 | | 9x+2=2x+30 | | 5(4x+1)+5x= | | 7(6x-4)= | | X/3=X/7+6 | | i=1800*0.0525*0.5 | | 9x+20=5x+50 | | 15(0.8n)+20(0.2n)=400 | | 3/10n-3/15=-11/5 | | -3x+15=-64 | | 60+25x=25x+20 | | 3/10n-3/15=-1/5 | | 91=-6(x-7)+7 | | 2x(3x-5)= | | 1-x/7=-2 | | 9z+7-3z=88-3z | | 16f+27=18f+38 | | 5/2x-1/3=-11/2 | | 2-x/3=-4 |

Equations solver categories