4x^2+8x+16=3x^2-19

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Solution for 4x^2+8x+16=3x^2-19 equation:


Simplifying
4x2 + 8x + 16 = 3x2 + -19

Reorder the terms:
16 + 8x + 4x2 = 3x2 + -19

Reorder the terms:
16 + 8x + 4x2 = -19 + 3x2

Solving
16 + 8x + 4x2 = -19 + 3x2

Solving for variable 'x'.

Reorder the terms:
16 + 19 + 8x + 4x2 + -3x2 = -19 + 3x2 + 19 + -3x2

Combine like terms: 16 + 19 = 35
35 + 8x + 4x2 + -3x2 = -19 + 3x2 + 19 + -3x2

Combine like terms: 4x2 + -3x2 = 1x2
35 + 8x + 1x2 = -19 + 3x2 + 19 + -3x2

Reorder the terms:
35 + 8x + 1x2 = -19 + 19 + 3x2 + -3x2

Combine like terms: -19 + 19 = 0
35 + 8x + 1x2 = 0 + 3x2 + -3x2
35 + 8x + 1x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
35 + 8x + 1x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-35' to each side of the equation.
35 + 8x + -35 + x2 = 0 + -35

Reorder the terms:
35 + -35 + 8x + x2 = 0 + -35

Combine like terms: 35 + -35 = 0
0 + 8x + x2 = 0 + -35
8x + x2 = 0 + -35

Combine like terms: 0 + -35 = -35
8x + x2 = -35

The x term is 8x.  Take half its coefficient (4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
8x + 16 + x2 = -35 + 16

Reorder the terms:
16 + 8x + x2 = -35 + 16

Combine like terms: -35 + 16 = -19
16 + 8x + x2 = -19

Factor a perfect square on the left side:
(x + 4)(x + 4) = -19

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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