y=(x-4)(x+5)

Simple and best practice solution for y=(x-4)(x+5) 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+5) equation: 


Simplifying
y = (x + -4)(x + 5)

Reorder the terms:
y = (-4 + x)(x + 5)

Reorder the terms:
y = (-4 + x)(5 + x)

Multiply (-4 + x) * (5 + x)
y = (-4(5 + x) + x(5 + x))
y = ((5 * -4 + x * -4) + x(5 + x))
y = ((-20 + -4x) + x(5 + x))
y = (-20 + -4x + (5 * x + x * x))
y = (-20 + -4x + (5x + x2))

Combine like terms: -4x + 5x = 1x
y = (-20 + 1x + x2)

Solving
y = -20 + 1x + x2

Solving for variable 'y'.

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

Simplifying
y = -20 + 1x + x2

See similar equations:

| 5z-5z^2=2 | | 171=123-u | | 42+3x=87 | | 7a-3=114 | | -3(8+2x)=12 | | 3(x+10)=-2(x-5) | | 10x-10x^2=0.9 | | X-10+y=12 | | x+(x-2500)+(x+1500)=17500 | | 1+2w-6w^2=0 | | 2/5*=114 | | x(2x-5)=3000 | | 3+2y=29 | | 2x^2-28=100 | | 4-x+3=15 | | 9y-3(y-2)= | | (5x-2)(-x+3)=0 | | 2x+x+9=12 | | 9(x+1)+6(x+1)=7x | | 7x/3-2=3z-9 | | 6y-6=4y-18 | | x/6-5=3 | | 248-m=253 | | 2m-3-5=10 | | 2a*-4b= | | 2x^4-4x^2-16=0 | | 32+4(c-1)=-4(c+5) | | 35=2x+3x | | 26-4x=9s | | (13x3)-3)/3) | | 18w-9w=18 | | 3x-5=-4+16 |

Equations solver categories