6x^4+7x^2=20

Simple and best practice solution for 6x^4+7x^2=20 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 6x^4+7x^2=20 equation:


Simplifying
6x4 + 7x2 = 20

Reorder the terms:
7x2 + 6x4 = 20

Solving
7x2 + 6x4 = 20

Solving for variable 'x'.

Reorder the terms:
-20 + 7x2 + 6x4 = 20 + -20

Combine like terms: 20 + -20 = 0
-20 + 7x2 + 6x4 = 0

Factor a trinomial.
(-5 + -2x2)(4 + -3x2) = 0

Subproblem 1

Set the factor '(-5 + -2x2)' equal to zero and attempt to solve: Simplifying -5 + -2x2 = 0 Solving -5 + -2x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -2x2 = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -2x2 = 0 + 5 -2x2 = 0 + 5 Combine like terms: 0 + 5 = 5 -2x2 = 5 Divide each side by '-2'. x2 = -2.5 Simplifying x2 = -2.5 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(4 + -3x2)' equal to zero and attempt to solve: Simplifying 4 + -3x2 = 0 Solving 4 + -3x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -3x2 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -3x2 = 0 + -4 -3x2 = 0 + -4 Combine like terms: 0 + -4 = -4 -3x2 = -4 Divide each side by '-3'. x2 = 1.333333333 Simplifying x2 = 1.333333333 Take the square root of each side: x = {-1.154700538, 1.154700538}

Solution

x = {-1.154700538, 1.154700538}

See similar equations:

| 5(-22)+3q=-7 | | 9.5x=-161.5 | | f(x)=8x+4 | | X(3)+11=35 | | 3x/x^2-9 | | 1-2r=-3+2(1+r) | | 8(12-1/4x)82 | | 12=5v-3v | | 3x-60=0 | | 5p+3(-2p+5)=-7 | | 5(7x-1)+6x= | | r^2+8r=0 | | 1-2p=-3+2(1+r) | | 3*x+8=26 | | -3=3m-2 | | 57y=7(8y-4) | | .777777w=56 | | 4z-5=2z+1 | | 18y=17(y+7) | | 5x+9y=164 | | a-(2a+1)=8-(3x+3) | | -3(1-3p)=8-2p | | 45j^3k-30j^5k^6+15j^2= | | 6(3x-5)+16=25 | | F-32=20 | | -3(1-3p)=7-2p | | 234*1234= | | -7.3(0.3p+5.1)= | | -9-1=10x+6-9x | | y=(7+y)-7 | | .25x+12.5=.50x | | 3x-4-2x= |

Equations solver categories