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

Simple and best practice solution for (2x+7)(9+x)=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 (2x+7)(9+x)=0 equation: 


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

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

Multiply (7 + 2x) * (9 + x)
(7(9 + x) + 2x * (9 + x)) = 0
((9 * 7 + x * 7) + 2x * (9 + x)) = 0
((63 + 7x) + 2x * (9 + x)) = 0
(63 + 7x + (9 * 2x + x * 2x)) = 0
(63 + 7x + (18x + 2x2)) = 0

Combine like terms: 7x + 18x = 25x
(63 + 25x + 2x2) = 0

Solving
63 + 25x + 2x2 = 0

Solving for variable 'x'.

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


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

Simplifying
9 + x = 0

Solving
9 + x = 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 + x = 0 + -9

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

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

Simplifying
x = -9

Subproblem 2
Set the factor '(7 + 2x)' equal to zero and attempt to solve:

Simplifying
7 + 2x = 0

Solving
7 + 2x = 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 + 2x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 2x = 0 + -7
2x = 0 + -7

Combine like terms: 0 + -7 = -7
2x = -7

Divide each side by '2'.
x = -3.5

Simplifying
x = -3.5
Solution
x = {-9, -3.5}

See similar equations:

| -7x-89=79+x | | -2(1b+1)+4=10 | | 3-2(1n-4)=-1 | | x-.2=0 | | (5-4)x=21 | | =14p-14q | | x-1*5=0 | | 2*x*x=50 | | 5(-x-1)=20 | | 6x+5x=45 | | 4a+7-6a+6=7a+4 | | 6r-7=13-4r | | 7r+11=1+5r | | 7=-1(-k-3)+2 | | 5b+1=8+4b | | 8+1+3p+4=p-3 | | 6+3n=5n-3n | | 7x+3y=1280 | | 6v+4=7v-3 | | y=16x^2+1 | | 33+5a=3-8(-3a-1) | | (4x-3)(x+11)= | | 6a+3b=6 | | X=-10+3-y | | 6f+13=25 | | 3(x+y)=2(x-5) | | 12(x-1)=11 | | 22ab+b-7a=5 | | 7x^2+21x=28 | | h=4x^2+3x | | 0=3x-3-6 | | 8-k+2(4+2k)=k+2k |

Equations solver categories