(7-y)(3y+8)=0

Simple and best practice solution for (7-y)(3y+8)=0 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 (7-y)(3y+8)=0 equation: 


Simplifying
(7 + -1y)(3y + 8) = 0

Reorder the terms:
(7 + -1y)(8 + 3y) = 0

Multiply (7 + -1y) * (8 + 3y)
(7(8 + 3y) + -1y * (8 + 3y)) = 0
((8 * 7 + 3y * 7) + -1y * (8 + 3y)) = 0
((56 + 21y) + -1y * (8 + 3y)) = 0
(56 + 21y + (8 * -1y + 3y * -1y)) = 0
(56 + 21y + (-8y + -3y2)) = 0

Combine like terms: 21y + -8y = 13y
(56 + 13y + -3y2) = 0

Solving
56 + 13y + -3y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(7 + -1y)(8 + 3y) = 0


Subproblem 1
Set the factor '(7 + -1y)' equal to zero and attempt to solve:

Simplifying
7 + -1y = 0

Solving
7 + -1y = 0

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

Add '-7' to each side of the equation.
7 + -7 + -1y = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -1y = 0 + -7
-1y = 0 + -7

Combine like terms: 0 + -7 = -7
-1y = -7

Divide each side by '-1'.
y = 7

Simplifying
y = 7

Subproblem 2
Set the factor '(8 + 3y)' equal to zero and attempt to solve:

Simplifying
8 + 3y = 0

Solving
8 + 3y = 0

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

Add '-8' to each side of the equation.
8 + -8 + 3y = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 3y = 0 + -8
3y = 0 + -8

Combine like terms: 0 + -8 = -8
3y = -8

Divide each side by '3'.
y = -2.666666667

Simplifying
y = -2.666666667
Solution
y = {7, -2.666666667}

See similar equations:

| 5-2x=5x-3 | | (n+4)-10=2 | | 44=(4x+6) | | 2g-3=q | | 8x-8y=-61 | | 8x-8y=-6 | | 6ln(2x)=54 | | (2x-61)+(x-17)+3x=360 | | 4h-8h=h | | U/5=15 | | 7+6n=47 | | (-10-6)+8+9= | | 4x-4y=-6 | | 7/4x-2=-1/2x-2/3 | | 19x-17(14x+11)= | | 0.2=(x/x=11.1) | | x-5+x+.75x+.05x+3=360 | | 4/9u=8 | | (5x)5=6 | | y=x^2-10+24 | | 3/4(0.7c)=42 | | 3x-3=x-6 | | 4x+5y=208 | | 2(-10+7x)=-118 | | (12x^7-27x^5)/3x^3 | | 1.25x+.2=.75 | | -3(3s-5)-15=-3(5s+4)-3 | | 15z^6-21z^4/3z^3 | | 180=28+90+x | | 6x+5-4x=13 | | (2x-67)+(x-23)+3x=360 | | 0.025x+5.709=0.01x+5.7 |

Equations solver categories