(9x^2+4x+5)+(3x^2+2)=

Simple and best practice solution for (9x^2+4x+5)+(3x^2+2)= 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 (9x^2+4x+5)+(3x^2+2)= equation: 


Simplifying
(9x2 + 4x + 5) + (3x2 + 2) = 0

Reorder the terms:
(5 + 4x + 9x2) + (3x2 + 2) = 0

Remove parenthesis around (5 + 4x + 9x2)
5 + 4x + 9x2 + (3x2 + 2) = 0

Reorder the terms:
5 + 4x + 9x2 + (2 + 3x2) = 0

Remove parenthesis around (2 + 3x2)
5 + 4x + 9x2 + 2 + 3x2 = 0

Reorder the terms:
5 + 2 + 4x + 9x2 + 3x2 = 0

Combine like terms: 5 + 2 = 7
7 + 4x + 9x2 + 3x2 = 0

Combine like terms: 9x2 + 3x2 = 12x2
7 + 4x + 12x2 = 0

Solving
7 + 4x + 12x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
12 the coefficient of the squared term: 

Divide each side by '12'.
0.5833333333 + 0.3333333333x + x2 = 0

Move the constant term to the right:

Add '-0.5833333333' to each side of the equation.
0.5833333333 + 0.3333333333x + -0.5833333333 + x2 = 0 + -0.5833333333

Reorder the terms:
0.5833333333 + -0.5833333333 + 0.3333333333x + x2 = 0 + -0.5833333333

Combine like terms: 0.5833333333 + -0.5833333333 = 0.0000000000
0.0000000000 + 0.3333333333x + x2 = 0 + -0.5833333333
0.3333333333x + x2 = 0 + -0.5833333333

Combine like terms: 0 + -0.5833333333 = -0.5833333333
0.3333333333x + x2 = -0.5833333333

The x term is 0.3333333333x.  Take half its coefficient (0.1666666667).
Square it (0.02777777779) and add it to both sides.

Add '0.02777777779' to each side of the equation.
0.3333333333x + 0.02777777779 + x2 = -0.5833333333 + 0.02777777779

Reorder the terms:
0.02777777779 + 0.3333333333x + x2 = -0.5833333333 + 0.02777777779

Combine like terms: -0.5833333333 + 0.02777777779 = -0.55555555551
0.02777777779 + 0.3333333333x + x2 = -0.55555555551

Factor a perfect square on the left side:
(x + 0.1666666667)(x + 0.1666666667) = -0.55555555551

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 2(5+3)=4 | | x+0.15(x)=375 | | Ax+y=3 | | 8(10+20c)=400 | | -21=3+4w | | (3x^2-3x+11)-(x-8)= | | (x)0.15=375 | | -6(10.95)=9 | | 0.15=375/x | | 1(c+19)+(10c+3)=143 | | 1(c+19)+(10c+3)=7 | | 3(2x-3)+4x=10 | | 1(c+19)+(10c+3)=1 | | 3(x+5)(x+5)-10(x+5)-8=0 | | 9(3-4c)+1=9(4c-2)+3 | | 17=-5(3+w) | | 36=2v+12 | | 10t=3+28 | | 2(9d+20)+5=3(d+3) | | 9x^2+45x-14=0 | | 6-7i/3i | | -15=2 | | 7v^2+28=0 | | 3x+9y=120 | | 3+x=2x-2 | | x+(-9)for=35 | | 3(g+4)-5=1g | | 9x^2+5y^2+18x=36 | | -18=5y+10 | | 3cosx+5sinx=5 | | f(7)=2t-3 | | log(5)=log(25)-log |

Equations solver categories