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

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


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

Reorder the terms:
7x(3 + 2x) + (2x + 3) = 0
(3 * 7x + 2x * 7x) + (2x + 3) = 0
(21x + 14x2) + (2x + 3) = 0

Reorder the terms:
21x + 14x2 + (3 + 2x) = 0

Remove parenthesis around (3 + 2x)
21x + 14x2 + 3 + 2x = 0

Reorder the terms:
3 + 21x + 2x + 14x2 = 0

Combine like terms: 21x + 2x = 23x
3 + 23x + 14x2 = 0

Solving
3 + 23x + 14x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(3 + 2x)(1 + 7x) = 0

Subproblem 1

Set the factor '(3 + 2x)' equal to zero and attempt to solve: Simplifying 3 + 2x = 0 Solving 3 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 2x = 0 + -3 2x = 0 + -3 Combine like terms: 0 + -3 = -3 2x = -3 Divide each side by '2'. x = -1.5 Simplifying x = -1.5

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 = {-1.5, -0.1428571429}

See similar equations:

| -7x-13=15 | | x^3-x^2-2x+2=0 | | 3p-7(9p+1)= | | 10x+130=180 | | 2a*2-3=5 | | -3x-1=5x-17 | | 83.3=6.3x+14 | | -600=-30(-5b) | | 12x-6=90 | | a*2-100=0 | | (-14)-(2)= | | 3x-15=7x-83 | | x-5+4=3(2-x) | | n^2-17n+70=0 | | -4-7(6-2m)=8 | | 8x+60=180 | | 6-3z=6(-2+z) | | 0.8(35-c)=16 | | (-14)-2= | | 37+g=56 | | 2.1(x+3)=4x+1.74 | | 2(x+4)=3x-8 | | -14-2= | | 78-h=5h | | 50b-10=0 | | 9h=153 | | 3a+5=7a-8 | | t+45=83 | | 18x=144 | | -3(2-m)=12 | | 3t=t+24 | | 2x+9x=11 |

Equations solver categories