y=-(x-4)(x+8)

Simple and best practice solution for y=-(x-4)(x+8) 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 y=-(x-4)(x+8) equation: 


Simplifying
y = -1(x + -4)(x + 8)

Reorder the terms:
y = -1(-4 + x)(x + 8)

Reorder the terms:
y = -1(-4 + x)(8 + x)

Multiply (-4 + x) * (8 + x)
y = -1(-4(8 + x) + x(8 + x))
y = -1((8 * -4 + x * -4) + x(8 + x))
y = -1((-32 + -4x) + x(8 + x))
y = -1(-32 + -4x + (8 * x + x * x))
y = -1(-32 + -4x + (8x + x2))

Combine like terms: -4x + 8x = 4x
y = -1(-32 + 4x + x2)
y = (-32 * -1 + 4x * -1 + x2 * -1)
y = (32 + -4x + -1x2)

Solving
y = 32 + -4x + -1x2

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Simplifying
y = 32 + -4x + -1x2

See similar equations:

| 1350/100 | | 1200/1.2 | | 3=1(7)+b | | 1.1x=7.59 | | 3x+5+2x-1=6x-3+x | | 25+.45r=40+.25r | | 3(m+3)-3(4-5m)=17(m+1)+7 | | xy+8x+8y-64=0 | | 1=x-132/19 | | X^2+13x+224=0 | | n/1000=0.823 | | n/10=5.69 | | -13-6x=11 | | R+(R-12)=48 | | 9871/n=987.1 | | 32x+18= | | 3x-7+6x+2=0 | | 24/100=n | | h/5-2=-11 | | -7(k-1)-(7+7k)=-15k | | 1672/n=1.672 | | 3x-2(x+4)=8(x+1) | | 2.54=0.066x | | 32/1000=n | | -7(k-1)-(7+7k)=-15 | | A=be+de | | -3q=-2q+8 | | -16t^2+201=0 | | 3n*2=39 | | f(a+b)=5x+7 | | 3y+10-y=7+y-9 | | 6.5/2*6.5/2 |

Equations solver categories