8x^3+45=2x(2x+21)

Simple and best practice solution for 8x^3+45=2x(2x+21) 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 8x^3+45=2x(2x+21) equation: 


Simplifying
8x3 + 45 = 2x(2x + 21)

Reorder the terms:
45 + 8x3 = 2x(2x + 21)

Reorder the terms:
45 + 8x3 = 2x(21 + 2x)
45 + 8x3 = (21 * 2x + 2x * 2x)
45 + 8x3 = (42x + 4x2)

Solving
45 + 8x3 = 42x + 4x2

Solving for variable 'x'.

Reorder the terms:
45 + -42x + -4x2 + 8x3 = 42x + 4x2 + -42x + -4x2

Reorder the terms:
45 + -42x + -4x2 + 8x3 = 42x + -42x + 4x2 + -4x2

Combine like terms: 42x + -42x = 0
45 + -42x + -4x2 + 8x3 = 0 + 4x2 + -4x2
45 + -42x + -4x2 + 8x3 = 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
45 + -42x + -4x2 + 8x3 = 0

The solution to this equation could not be determined.

See similar equations:

| y=2(x+3)(x+3)-32 | | y=8ln(3x-2)-4 | | y=2(x+3)-32 | | Y=2x^2-11x+18 | | Y=3.75(5) | | 10x=(50*2) | | 6h-10=6h+10 | | 11=f-4 | | 7.4r+9+2r=18 | | 2x+6=-2(-x-3) | | 2=4x+3(-3x) | | 4(w-2)=4w+2-3(-2w-2) | | .5(8x+6)+.1111111111(63x+45)= | | 6(3+3m)=-4m+8(4m-4) | | ln(x)-x=ln(y/2) | | 3a+2b=15 | | 2n-32=8(n-7) | | 11n-12-10n-1=-11 | | 2-4+=0 | | 45=X*N-5N^2 | | y^4+10=0 | | -2+-1x=-8x+2x | | -7(v-3)+7(-2+v)=4 | | 5iz-2i-4z+7=0 | | 8-18=30 | | 15-3m=-1 | | -sin^2x-2sinx-3=0 | | g-4.5=7.2 | | -32-8p=-2(3p-8)-8p | | 3m+18=4m+8 | | -2(5x+-1)=-18 | | 0=x^2-x-40 |

Equations solver categories