45x^4+135x^3+40x^2=0

Simple and best practice solution for 45x^4+135x^3+40x^2=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 45x^4+135x^3+40x^2=0 equation:


Simplifying
45x4 + 135x3 + 40x2 = 0

Reorder the terms:
40x2 + 135x3 + 45x4 = 0

Solving
40x2 + 135x3 + 45x4 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '5x2'.
5x2(8 + 27x + 9x2) = 0

Factor a trinomial.
5x2((8 + 3x)(1 + 3x)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor 'x2' equal to zero and attempt to solve: Simplifying x2 = 0 Solving x2 = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x2 = 0 Take the square root of each side: x = {0}

Subproblem 2

Set the factor '(8 + 3x)' equal to zero and attempt to solve: Simplifying 8 + 3x = 0 Solving 8 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 3x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 3x = 0 + -8 3x = 0 + -8 Combine like terms: 0 + -8 = -8 3x = -8 Divide each side by '3'. x = -2.666666667 Simplifying x = -2.666666667

Subproblem 3

Set the factor '(1 + 3x)' equal to zero and attempt to solve: Simplifying 1 + 3x = 0 Solving 1 + 3x = 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 + 3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 3x = 0 + -1 3x = 0 + -1 Combine like terms: 0 + -1 = -1 3x = -1 Divide each side by '3'. x = -0.3333333333 Simplifying x = -0.3333333333

Solution

x = {0, -2.666666667, -0.3333333333}

See similar equations:

| -14x^2-15x+11=0 | | (11v+6)(5v-7)=0 | | 3c^2-22c+35= | | -2(4y+6)=-8y+4 | | 2d-2/3=1/8 | | 9m^2-3=717 | | 63x^4+105x^3+28x^2=0 | | 20r^2-12rs+25rs-15s^2= | | 200=1/2x-12x | | 42x^4-30x^3+6x^2=0 | | 2(x=3/4)-5(x/4-1) | | x5y4/6xy | | -24+5v=4(v-2)+3v | | 7y+5=8y+15 | | c^2-3c-c+3= | | 3x-4(x-1/3) | | 12a^3+11a^2+2a=0 | | m^3n-11m^2n^2+28mn^3= | | 29=2(u+2)-7u | | -3x^6-6x^5+24x^4= | | 22+23m+m^2=0 | | x/277485=.084 | | 16+17m+m^2=0 | | 9x-5=9(x-2) | | 126x^2-113x-63=0 | | b^2+10bf+24f^2= | | 4m^4-12m^3-160m^2=0 | | 77r^2+32r-64=0 | | y=[x-(-3+i)][x-(-3-i)] | | Ax-9x= | | 5x+4=10+4x | | 35y^2-10y+3=0 |

Equations solver categories