7x(4x+9)=x^2*7

Simple and best practice solution for 7x(4x+9)=x^2*7 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(4x+9)=x^2*7 equation:


Simplifying
7x(4x + 9) = x2 * 7

Reorder the terms:
7x(9 + 4x) = x2 * 7
(9 * 7x + 4x * 7x) = x2 * 7
(63x + 28x2) = x2 * 7

Reorder the terms for easier multiplication:
63x + 28x2 = 7x2

Solving
63x + 28x2 = 7x2

Solving for variable 'x'.

Combine like terms: 28x2 + -7x2 = 21x2
63x + 21x2 = 7x2 + -7x2

Combine like terms: 7x2 + -7x2 = 0
63x + 21x2 = 0

Factor out the Greatest Common Factor (GCF), '21x'.
21x(3 + x) = 0

Ignore the factor 21.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 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 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Solution

x = {0, -3}

See similar equations:

| 7(1+2y)-2y=1 | | 8x+32=2x^2 | | 3t=-9+6t | | -1-(2/7)x=-3 | | 6(F+5)=-2F-8 | | -13-9x=-8x^2+3x+7 | | 94=4x | | 2(x+3)+3(x+4)=48 | | 11.2/1.6 | | 8c^4= | | 3u-4=8(u+2) | | 2/5x=1,170,000 | | 5x^2+17x-54=0 | | -3-x-3= | | x^2+y^2-16x-10y-80= | | x^2+y^2-16x-10y+80=0 | | 3(4c+5)=-9 | | 0.04c=24 | | 5n-6n=5 | | 2y=12-12x | | 5b-4b=66-2 | | 100000000000000000000+n-27763528=6622383635 | | X-2.2=-6.7 | | 1.50+1.90m=16.70 | | 3x-1+31+90=180 | | -119=17n | | -9(x+-4)=81 | | Z-(-5/12=-5/12 | | 6(2x-5)=-18 | | a-4÷5=84/7 | | -110=-10m | | 8+6=X-8 |

Equations solver categories