(3x+7)(-2x-4)=

Simple and best practice solution for (3x+7)(-2x-4)= 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 (3x+7)(-2x-4)= equation: 


Simplifying
(3x + 7)(-2x + -4) = 0

Reorder the terms:
(7 + 3x)(-2x + -4) = 0

Reorder the terms:
(7 + 3x)(-4 + -2x) = 0

Multiply (7 + 3x) * (-4 + -2x)
(7(-4 + -2x) + 3x * (-4 + -2x)) = 0
((-4 * 7 + -2x * 7) + 3x * (-4 + -2x)) = 0
((-28 + -14x) + 3x * (-4 + -2x)) = 0
(-28 + -14x + (-4 * 3x + -2x * 3x)) = 0
(-28 + -14x + (-12x + -6x2)) = 0

Combine like terms: -14x + -12x = -26x
(-28 + -26x + -6x2) = 0

Solving
-28 + -26x + -6x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-2'.
-2(14 + 13x + 3x2) = 0

Factor a trinomial.
-2((7 + 3x)(2 + x)) = 0

Ignore the factor -2.

Subproblem 1
Set the factor '(7 + 3x)' equal to zero and attempt to solve:

Simplifying
7 + 3x = 0

Solving
7 + 3x = 0

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

Add '-7' to each side of the equation.
7 + -7 + 3x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 3x = 0 + -7
3x = 0 + -7

Combine like terms: 0 + -7 = -7
3x = -7

Divide each side by '3'.
x = -2.333333333

Simplifying
x = -2.333333333

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

Simplifying
2 + x = 0

Solving
2 + x = 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 + x = 0 + -2

Combine like terms: 2 + -2 = 0
0 + x = 0 + -2
x = 0 + -2

Combine like terms: 0 + -2 = -2
x = -2

Simplifying
x = -2
Solution
x = {-2.333333333, -2}

See similar equations:

| 229-5x=31x+17 | | -2x+(1/4)y=(3/2) | | a/6+9=8 | | p(x)=3ln(x)+30 | | 7x+6(2-x)+3=4+3(6+x) | | 13n^2+80n+128=5n^2 | | h(x)=x^10-4x^3 | | g(x)=x^3+x^2 | | 9m^2=24-12m | | f(x)=x^4-87 | | 11r^2+10=0 | | 3+5*2+3= | | 3x-2+x(3-x)=(x-3)(x+2)-x(2x+1) | | -5/7+y=-1/2 | | 10/3(x+2)=-25 | | 2/3(3x-6)1/4(20x-4) | | lm(2x-3)=0 | | 3b-2(a+3)+3(2a-4)=4(11-3a)+3b+2(3-a) | | 7x/10-6=x/5+4 | | 4y^2-16+4y^2-16y-4=0 | | 3/(2z+1)-1/(z+2) | | 2x^2-16x+4=8 | | (x-12)+3(x+2)=6x-30 | | x+(x+28)=180 | | -5x+y=11400 | | (x-2)=15x-10(x-1)+28 | | 0=2x-12x | | 13=-3(23-y)+2(y-4) | | 65x+5(18-x)=10(-63) | | 65x+5x(18-x)=10(-63) | | 50x+15(70)=3350 | | 6+9x+8-2x=7 |

Equations solver categories