y=(-x+4)(x-9)

Simple and best practice solution for y=(-x+4)(x-9) 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-9) equation: 


Simplifying
y = (-1x + 4)(x + -9)

Reorder the terms:
y = (4 + -1x)(x + -9)

Reorder the terms:
y = (4 + -1x)(-9 + x)

Multiply (4 + -1x) * (-9 + x)
y = (4(-9 + x) + -1x * (-9 + x))
y = ((-9 * 4 + x * 4) + -1x * (-9 + x))
y = ((-36 + 4x) + -1x * (-9 + x))
y = (-36 + 4x + (-9 * -1x + x * -1x))
y = (-36 + 4x + (9x + -1x2))

Combine like terms: 4x + 9x = 13x
y = (-36 + 13x + -1x2)

Solving
y = -36 + 13x + -1x2

Solving for variable 'y'.

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

Simplifying
y = -36 + 13x + -1x2

See similar equations:

| X+3x^2=-5 | | 125(17.6+-0.248y)+31y=2200 | | 125=17.6+-0.248y | | .6x+1=y | | y-2=-3(x+4)(x+4) | | 125x+31y=2200 | | -7/v+8=19 | | 0=4x^2+29x+68 | | -8n-7n-12=n+4 | | 40-52=-2 | | 28x+52=183 | | 2x+x=11.75 | | 5.2a+8.2=9.8a-2.8 | | 6(x-5)2=24 | | 16-4m+4m= | | x^2-4.8*0.01+4.8x=0 | | -8n-12=n+4 | | 9/y-11=7 | | 4(x+9)2=120 | | y=5.5x+147 | | 4x-11=77 | | (X+8)2=225 | | 10x=24x-1 | | 5.4a+8.2=9-8a-2.8 | | Sn=7n+30 | | x=-625 | | 62x+1=125 | | 25z^2-150z+223= | | 440494-474883/6447= | | 14x-1=14x-1 | | 4x-25=71 | | 25z^2-150z+223=0 |

Equations solver categories