2(x^2+4x+16)=19

Simple and best practice solution for 2(x^2+4x+16)=19 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 2(x^2+4x+16)=19 equation:


Simplifying
2(x2 + 4x + 16) = 19

Reorder the terms:
2(16 + 4x + x2) = 19
(16 * 2 + 4x * 2 + x2 * 2) = 19
(32 + 8x + 2x2) = 19

Solving
32 + 8x + 2x2 = 19

Solving for variable 'x'.

Reorder the terms:
32 + -19 + 8x + 2x2 = 19 + -19

Combine like terms: 32 + -19 = 13
13 + 8x + 2x2 = 19 + -19

Combine like terms: 19 + -19 = 0
13 + 8x + 2x2 = 0

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

Divide each side by '2'.
6.5 + 4x + x2 = 0

Move the constant term to the right:

Add '-6.5' to each side of the equation.
6.5 + 4x + -6.5 + x2 = 0 + -6.5

Reorder the terms:
6.5 + -6.5 + 4x + x2 = 0 + -6.5

Combine like terms: 6.5 + -6.5 = 0.0
0.0 + 4x + x2 = 0 + -6.5
4x + x2 = 0 + -6.5

Combine like terms: 0 + -6.5 = -6.5
4x + x2 = -6.5

The x term is 4x.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4x + 4 + x2 = -6.5 + 4

Reorder the terms:
4 + 4x + x2 = -6.5 + 4

Combine like terms: -6.5 + 4 = -2.5
4 + 4x + x2 = -2.5

Factor a perfect square on the left side:
(x + 2)(x + 2) = -2.5

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| x^4-3*x^3+2*x^2=0 | | (5d-2)(d-4)=0 | | 5x-12=3x*18 | | 12=-t-11 | | 20y+10x=40 | | (x+(1+i))(x-(x+i))=0 | | x^4+3=103 | | 10+x*x+x*x=18 | | 3+(x+16)= | | 10+2x+2x=18 | | 14=4w+3w | | 8u-u=42 | | 100x^2-20x+25=0 | | f(x)5/(x-8) | | 2x+3y^2-2x-3y^2=360 | | Sin(x)=-0.49 | | ln(2x+1)=-1 | | 4(2a-3)=-20 | | 26k=4(3k+7) | | s(t)=-16t^2+28t+4 | | 2x+6+6x-18=90 | | 5k-1/4=5 | | 15/x-3=5*x | | 5k-4/2=5 | | -3+2(7x+10)=-102 | | -28+15-22z=38 | | -13u^2+u+36=0 | | 13u^2+u+36=0 | | 4(5+2x)-5=3(3x+7)+5y | | 123.45-w=36.55 | | x/7=12/8 | | 5x-(2x-6)=3x+2(4x-5) |

Equations solver categories