3*(x*x)+X*Y+2*Y*Z+21=0

Simple and best practice solution for 3*(x*x)+X*Y+2*Y*Z+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 3*(x*x)+X*Y+2*Y*Z+21=0 equation: 


Simplifying
3(x * x) + X * Y + 2Y * Z + 21 = 0

Multiply x * x
3(x2) + X * Y + 2Y * Z + 21 = 0

Multiply X * Y
3x2 + XY + 2Y * Z + 21 = 0

Multiply Y * Z
3x2 + XY + 2YZ + 21 = 0

Reorder the terms:
21 + XY + 2YZ + 3x2 = 0

Solving
21 + XY + 2YZ + 3x2 = 0

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '-21' to each side of the equation.
21 + XY + 2YZ + -21 + 3x2 = 0 + -21

Reorder the terms:
21 + -21 + XY + 2YZ + 3x2 = 0 + -21

Combine like terms: 21 + -21 = 0
0 + XY + 2YZ + 3x2 = 0 + -21
XY + 2YZ + 3x2 = 0 + -21

Combine like terms: 0 + -21 = -21
XY + 2YZ + 3x2 = -21

Add '-2YZ' to each side of the equation.
XY + 2YZ + -2YZ + 3x2 = -21 + -2YZ

Combine like terms: 2YZ + -2YZ = 0
XY + 0 + 3x2 = -21 + -2YZ
XY + 3x2 = -21 + -2YZ

Add '-3x2' to each side of the equation.
XY + 3x2 + -3x2 = -21 + -2YZ + -3x2

Combine like terms: 3x2 + -3x2 = 0
XY + 0 = -21 + -2YZ + -3x2
XY = -21 + -2YZ + -3x2

Divide each side by 'Y'.
X = -21Y-1 + -2Z + -3x2Y-1

Simplifying
X = -21Y-1 + -2Z + -3x2Y-1

See similar equations:

| =100+30x+0.1x^2 | | 5x+7=-48 | | 3(8x-5)=6(5+4x) | | 4b+10=13 | | x+(x+1)+(x+2)=33+x | | (x*x)+3x+7=1337 | | 9x^2+29x+6=0 | | 4x-4=2(2x-2) | | =1.8 | | 133-4x=4x+17 | | r+9/3=8 | | 2b^2=a^2 | | 5x=lnx | | 5(x+5)=5(x+6) | | 12c+10d= | | 2c-(3c-15)=4(2c+1)-3c | | 7x+4(x+3)=10(x+12) | | 15=8x+3-6x | | 6x+4(x-5)=9(x+8) | | (x-22)=12 | | 455=3x+180+1.5x+x | | 3a+5=9 | | 44x-10=12x | | 3.5=4.3-0.2x | | 35d=735 | | 3(0)+1.5y=30 | | 7x+4(x+11)=10x+100 | | 3x+1.5(0)=30 | | 1200+100p=3600+190p | | 2x+5x-8=41 | | 8x=2(x-6) | | x=2y-z |

Equations solver categories