15*(x+9)*(x+3)*(x+21)=0

Simple and best practice solution for 15*(x+9)*(x+3)*(x+21)=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 15*(x+9)*(x+3)*(x+21)=0 equation: 


Simplifying
15(x + 9)(x + 3)(x + 21) = 0

Reorder the terms:
15(9 + x)(x + 3)(x + 21) = 0

Reorder the terms:
15(9 + x)(3 + x)(x + 21) = 0

Reorder the terms:
15(9 + x)(3 + x)(21 + x) = 0

Multiply (9 + x) * (3 + x)
15(9(3 + x) + x(3 + x))(21 + x) = 0
15((3 * 9 + x * 9) + x(3 + x))(21 + x) = 0
15((27 + 9x) + x(3 + x))(21 + x) = 0
15(27 + 9x + (3 * x + x * x))(21 + x) = 0
15(27 + 9x + (3x + x2))(21 + x) = 0

Combine like terms: 9x + 3x = 12x
15(27 + 12x + x2)(21 + x) = 0

Multiply (27 + 12x + x2) * (21 + x)
15(27(21 + x) + 12x * (21 + x) + x2(21 + x)) = 0
15((21 * 27 + x * 27) + 12x * (21 + x) + x2(21 + x)) = 0
15((567 + 27x) + 12x * (21 + x) + x2(21 + x)) = 0
15(567 + 27x + (21 * 12x + x * 12x) + x2(21 + x)) = 0
15(567 + 27x + (252x + 12x2) + x2(21 + x)) = 0
15(567 + 27x + 252x + 12x2 + (21 * x2 + x * x2)) = 0
15(567 + 27x + 252x + 12x2 + (21x2 + x3)) = 0

Combine like terms: 27x + 252x = 279x
15(567 + 279x + 12x2 + 21x2 + x3) = 0

Combine like terms: 12x2 + 21x2 = 33x2
15(567 + 279x + 33x2 + x3) = 0
(567 * 15 + 279x * 15 + 33x2 * 15 + x3 * 15) = 0
(8505 + 4185x + 495x2 + 15x3) = 0

Solving
8505 + 4185x + 495x2 + 15x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '15'.
15(567 + 279x + 33x2 + x3) = 0

Ignore the factor 15.

Subproblem 1
Set the factor '(567 + 279x + 33x2 + x3)' equal to zero and attempt to solve:

Simplifying
567 + 279x + 33x2 + x3 = 0

Solving
567 + 279x + 33x2 + x3 = 0

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.

The solution to this equation could not be determined.

See similar equations:

| c-2/5=2-c | | -70=10p | | S-8=-6 | | X^4+2X^3=5 | | 10(p-3)=3(p+11) | | W/7=7 | | 10-b/5=6 | | .6/1.6 | | -9-8k=-17 | | F(x)=2.5x-6 | | 1.5=cosx | | 1.48=cosx | | 3=x/-5-1 | | (3x+7)*2=38 | | 6a-1=47 | | 10(y-10)=-70 | | (9x^3y^2)/4y*(2y/3x) | | y^2=10x+48 | | 3b-4-(4b+-6)= | | E-3=6 | | 2+5(x-5)=6(x-1) | | 5(2x-4)=1 | | Q-7=-1 | | x^2+3x^2=484 | | -3t=-30 | | 6cosx^2-7cosx=13 | | 9x-19=-17+7x | | 8a-5a+a=24-15+3 | | 7-7r=0 | | 3xe+5=20 | | 6cosx^2-7cosx-13=0 | | -3x=156 |

Equations solver categories