x^2-15x+64=

Simple and best practice solution for x^2-15x+64= 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^2-15x+64= equation:


Simplifying
x2 + -15x + 64 = 0

Reorder the terms:
64 + -15x + x2 = 0

Solving
64 + -15x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-64' to each side of the equation.
64 + -15x + -64 + x2 = 0 + -64

Reorder the terms:
64 + -64 + -15x + x2 = 0 + -64

Combine like terms: 64 + -64 = 0
0 + -15x + x2 = 0 + -64
-15x + x2 = 0 + -64

Combine like terms: 0 + -64 = -64
-15x + x2 = -64

The x term is -15x.  Take half its coefficient (-7.5).
Square it (56.25) and add it to both sides.

Add '56.25' to each side of the equation.
-15x + 56.25 + x2 = -64 + 56.25

Reorder the terms:
56.25 + -15x + x2 = -64 + 56.25

Combine like terms: -64 + 56.25 = -7.75
56.25 + -15x + x2 = -7.75

Factor a perfect square on the left side:
(x + -7.5)(x + -7.5) = -7.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 3(2x+3)=8x-5 | | 3X^3+8X^2+5X=0 | | (8x^4+5x^3-9)-(6x^2-4x+7)= | | x+.15x=15000 | | -9+8x+x^2=0factor | | c=1.2(7n+30) | | x^2-8x=9factor | | -10-6x=-7(-2x+8)+6 | | 0.8x=148 | | -12x-5x=12-9x | | 7(6n+7)-7=-38+2n | | x^2-x^1-6=0 | | 5x^2-11x+12=0 | | 4(b+8)=17+7b | | -7p-39=-3(5p-3) | | 10(x+3)-(-9x-4)=n-5+3 | | -4(-k-2)=2k-34 | | 9+3-7-8+18-3= | | 6(-1-6x)=-6-6x | | X+2x^2=36 | | 1/6+x/9=x/12 | | 38+8n=-6(1+6n) | | 2x-2y+3x= | | 0.8x=128 | | y^2+361/4=-19y | | 12d^2-d-6=0 | | 3bx*x-2ax+3b=0 | | 3bx*x-2ax+3y=0 | | 3bx*x-2ax+by=0 | | x^6-1/27=0 | | 4n+7n= | | -8(x-8)+x=2(7-x) |

Equations solver categories