9x^2+14x+47=7

Simple and best practice solution for 9x^2+14x+47=7 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+14x+47=7 equation:


Simplifying
9x2 + 14x + 47 = 7

Reorder the terms:
47 + 14x + 9x2 = 7

Solving
47 + 14x + 9x2 = 7

Solving for variable 'x'.

Reorder the terms:
47 + -7 + 14x + 9x2 = 7 + -7

Combine like terms: 47 + -7 = 40
40 + 14x + 9x2 = 7 + -7

Combine like terms: 7 + -7 = 0
40 + 14x + 9x2 = 0

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

Divide each side by '9'.
4.444444444 + 1.555555556x + x2 = 0

Move the constant term to the right:

Add '-4.444444444' to each side of the equation.
4.444444444 + 1.555555556x + -4.444444444 + x2 = 0 + -4.444444444

Reorder the terms:
4.444444444 + -4.444444444 + 1.555555556x + x2 = 0 + -4.444444444

Combine like terms: 4.444444444 + -4.444444444 = 0.000000000
0.000000000 + 1.555555556x + x2 = 0 + -4.444444444
1.555555556x + x2 = 0 + -4.444444444

Combine like terms: 0 + -4.444444444 = -4.444444444
1.555555556x + x2 = -4.444444444

The x term is 1.555555556x.  Take half its coefficient (0.777777778).
Square it (0.6049382720) and add it to both sides.

Add '0.6049382720' to each side of the equation.
1.555555556x + 0.6049382720 + x2 = -4.444444444 + 0.6049382720

Reorder the terms:
0.6049382720 + 1.555555556x + x2 = -4.444444444 + 0.6049382720

Combine like terms: -4.444444444 + 0.6049382720 = -3.839506172
0.6049382720 + 1.555555556x + x2 = -3.839506172

Factor a perfect square on the left side:
(x + 0.777777778)(x + 0.777777778) = -3.839506172

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| p(8p+1)(8p-1)= | | x=-16(6.25)+80(2.5) | | 15+2x=1x+18 | | 5x*6=9 | | 2*(x+5)+x=2*(x-3)+7*(x-2) | | (7x-15)/4=x | | 2*(x-5)+x=2*(x-3)+7*(x-2) | | 3(5z-3)-3(2-2z)=9 | | 7x-15/4=4x | | 5x^2+20x-6=0 | | -24+2k=k-5k | | 4/7x+11=6/7x-9 | | 9x*x-4=0 | | 3/8x+19=7/8x-5 | | 5/11+x=3/9 | | 6-2x=11+3x | | 3x-16=y | | x-8=2x+12 | | -5(x+2)=3(x+1)+6 | | -3c+1=-17 | | 66=6(2x+3) | | 4x-3y+5y-x= | | 4t-5=5(t+7) | | 4a-7whena=9 | | 5x^2+7x-13=35-27x | | 10=-7x+17 | | 2x^2=10x^2 | | 8(2x-5)=16 | | 19=29-3x+8x | | 25-16=3(x-6) | | -3p+52-8p=10 | | x=-3+-1y+-1z |

Equations solver categories