(x+7)(x-3)=y

Simple and best practice solution for (x+7)(x-3)=y 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+7)(x-3)=y equation: 


Simplifying
(x + 7)(x + -3) = y

Reorder the terms:
(7 + x)(x + -3) = y

Reorder the terms:
(7 + x)(-3 + x) = y

Multiply (7 + x) * (-3 + x)
(7(-3 + x) + x(-3 + x)) = y
((-3 * 7 + x * 7) + x(-3 + x)) = y
((-21 + 7x) + x(-3 + x)) = y
(-21 + 7x + (-3 * x + x * x)) = y
(-21 + 7x + (-3x + x2)) = y

Combine like terms: 7x + -3x = 4x
(-21 + 4x + x2) = y

Solving
-21 + 4x + x2 = y

Solving for variable 'x'.

Combine like terms: y + -1y = 0
-21 + 4x + x2 + -1y = 0

The solution to this equation could not be determined.

See similar equations:

| s^2-2s-2=0 | | (3x+6)+2x+24=180 | | 5p^2-9=0 | | n^2=175 | | -8t^2+3=0 | | (2-5i)-(4+4i)-(-5+I)= | | -5z^2-5z=0 | | 4f^2-8f=0 | | 9v^2+5v-9=0 | | -4m^2+4m=0 | | x/5=2/12 | | (4+3i)*(2-5i)=0 | | x(3y)=192 | | 3(-2+6)-3(8n+6)=12 | | 5x-2+2=20+2 | | 6g^2-2g-2=0 | | 2u+18=-4u | | 0=3x^2-9x | | 3d^2-9d+6=0 | | 10-y+y=24 | | 3(-x+4)=25 | | 7x=-24 | | -2x-29=2x | | 3x+3x+48=180 | | -9x+x+9=0 | | (-1-2i)(2+i)= | | 1×(3/2) | | i/2-3i | | p=5.50*3.25*310 | | -20-3= | | x+20-(10-x)=24 | | 8+3n=8x+8 |

Equations solver categories