(x+3)(x+3)=-16

Simple and best practice solution for (x+3)(x+3)=-16 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 (x+3)(x+3)=-16 equation:


Simplifying
(x + 3)(x + 3) = -16

Reorder the terms:
(3 + x)(x + 3) = -16

Reorder the terms:
(3 + x)(3 + x) = -16

Multiply (3 + x) * (3 + x)
(3(3 + x) + x(3 + x)) = -16
((3 * 3 + x * 3) + x(3 + x)) = -16
((9 + 3x) + x(3 + x)) = -16
(9 + 3x + (3 * x + x * x)) = -16
(9 + 3x + (3x + x2)) = -16

Combine like terms: 3x + 3x = 6x
(9 + 6x + x2) = -16

Solving
9 + 6x + x2 = -16

Solving for variable 'x'.

Reorder the terms:
9 + 16 + 6x + x2 = -16 + 16

Combine like terms: 9 + 16 = 25
25 + 6x + x2 = -16 + 16

Combine like terms: -16 + 16 = 0
25 + 6x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-25' to each side of the equation.
25 + 6x + -25 + x2 = 0 + -25

Reorder the terms:
25 + -25 + 6x + x2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + 6x + x2 = 0 + -25
6x + x2 = 0 + -25

Combine like terms: 0 + -25 = -25
6x + x2 = -25

The x term is 6x.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6x + 9 + x2 = -25 + 9

Reorder the terms:
9 + 6x + x2 = -25 + 9

Combine like terms: -25 + 9 = -16
9 + 6x + x2 = -16

Factor a perfect square on the left side:
(x + 3)(x + 3) = -16

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -3(m-7)=6m | | 4/9=a-1/18 | | 4h-8=-15+5h | | 6*2+y=3 | | 3(-2)-4y=-26 | | 12x-2=-10(x+5)+11(1+2x) | | 5.5x+8=24.50 | | (5+2*7/2-7)/5 | | 9x-10x=-78+80 | | 6*0+y=3 | | y/2-3=6 | | 24x-25=8(3x-11) | | x+4.25=3.5-1.5x-0.75 | | -12(x+4)+11(4x-3)=6x-8+5 | | 6(-4)+y=3 | | 2/3(x+6)-2 | | 6(2)+y=3 | | 9b+5b=-17 | | x2/4-9x/16=0 | | -12(8x-7)-10(8x+11)=-26 | | 5a+13=a-47 | | 23y+66=23y-44 | | -4=-8(-9x-11)+4(x-4) | | -3=-9(1-7x)+6(1+11x) | | x^4-28x^2-288=0 | | -3=-9(1-7x)+6(1+11n) | | 12x+1=14x | | -90=12(12-2x)-(5x+2) | | x+2x+4x+5x=360 | | 280.7=7g | | -90=11(12-2x)-(5x+2) | | 4n=(6n-10)-2 |

Equations solver categories