8x-14=x^2+15

Simple and best practice solution for 8x-14=x^2+15 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 8x-14=x^2+15 equation:


Simplifying
8x + -14 = x2 + 15

Reorder the terms:
-14 + 8x = x2 + 15

Reorder the terms:
-14 + 8x = 15 + x2

Solving
-14 + 8x = 15 + x2

Solving for variable 'x'.

Reorder the terms:
-14 + -15 + 8x + -1x2 = 15 + x2 + -15 + -1x2

Combine like terms: -14 + -15 = -29
-29 + 8x + -1x2 = 15 + x2 + -15 + -1x2

Reorder the terms:
-29 + 8x + -1x2 = 15 + -15 + x2 + -1x2

Combine like terms: 15 + -15 = 0
-29 + 8x + -1x2 = 0 + x2 + -1x2
-29 + 8x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-29 + 8x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
29 + -8x + x2 = 0

Move the constant term to the right:

Add '-29' to each side of the equation.
29 + -8x + -29 + x2 = 0 + -29

Reorder the terms:
29 + -29 + -8x + x2 = 0 + -29

Combine like terms: 29 + -29 = 0
0 + -8x + x2 = 0 + -29
-8x + x2 = 0 + -29

Combine like terms: 0 + -29 = -29
-8x + x2 = -29

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 = -29 + 16

Reorder the terms:
16 + -8x + x2 = -29 + 16

Combine like terms: -29 + 16 = -13
16 + -8x + x2 = -13

Factor a perfect square on the left side:
(x + -4)(x + -4) = -13

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| x^2+306=-35x | | 56=0.3n | | 2s^2-13s-24=0 | | 4x^4+29x^3+11x^2+29x+7=0 | | x^2-3x-48=-8 | | 14-8x=39-15x | | 119-2x=25x+20 | | (x-9)(x+8)=0 | | 27x(2x+4x)+12=500 | | 27x(2x+4x)+12=5 | | 5x+15=-70-9x | | 4r^2=r+3 | | 27x(2x+54x)+12=5 | | 3(x+6)-2=4(x+2)-21 | | 123-4x=41x+18 | | 7(5x+2)=6(6x+1) | | 2n^2-5n=12 | | 3(x-2)+x=42 | | p^2+11p+26=-4 | | 6-8x=29-15x | | s^2-3s-10=0 | | -x+3=-17 | | 272-5x=40x+17 | | 4x+5=2x+21 | | 14-8x=134-43x | | 8z=1 | | 2+5x=18x+x | | a^2+3a-10=0 | | 2x+50=5x+40 | | 11x-25=74 | | 6d+7=4d+19 | | 3y+5=y+9 |

Equations solver categories