(5y+4)(7+y)=0

Simple and best practice solution for (5y+4)(7+y)=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 (5y+4)(7+y)=0 equation: 


Simplifying
(5y + 4)(7 + y) = 0

Reorder the terms:
(4 + 5y)(7 + y) = 0

Multiply (4 + 5y) * (7 + y)
(4(7 + y) + 5y * (7 + y)) = 0
((7 * 4 + y * 4) + 5y * (7 + y)) = 0
((28 + 4y) + 5y * (7 + y)) = 0
(28 + 4y + (7 * 5y + y * 5y)) = 0
(28 + 4y + (35y + 5y2)) = 0

Combine like terms: 4y + 35y = 39y
(28 + 39y + 5y2) = 0

Solving
28 + 39y + 5y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(7 + y)(4 + 5y) = 0


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

Simplifying
7 + y = 0

Solving
7 + y = 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 + y = 0 + -7

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

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

Simplifying
y = -7

Subproblem 2
Set the factor '(4 + 5y)' equal to zero and attempt to solve:

Simplifying
4 + 5y = 0

Solving
4 + 5y = 0

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

Add '-4' to each side of the equation.
4 + -4 + 5y = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 5y = 0 + -4
5y = 0 + -4

Combine like terms: 0 + -4 = -4
5y = -4

Divide each side by '5'.
y = -0.8

Simplifying
y = -0.8
Solution
y = {-7, -0.8}

See similar equations:

| 3w-18w=60 | | -2-1x=3x+6 | | 2/1.25 | | x+(3x+12)+30=180 | | 2sin^2x+4sinx+2=0 | | 9n-14=13 | | P/3=5/6 | | 6(12-18c)= | | 0.4y=-64 | | 19+7m=-5(1-2m) | | 6/n=5/6 | | 2=x+1+61.5 | | x*x-2x+4=0 | | 2x+11-5x=13 | | 11=3(b+20)-4 | | x-19=-3x+9 | | x-19=-3x+0 | | 2(4z-3)-3(5z+2)=4(10-z+1) | | 2y+10.8=1.2 | | x+(3x+4)+47=180 | | -2(y-4)=-8 | | 180=85+x+3x+3 | | -2h^2=-72 | | (x^4)+256i=0 | | x-1+6=2 | | 7m^2-11m=0 | | A+(A*0.2)=B | | -8t+2=0 | | 3.57(x-2.4)=7.98 | | login(2x-1)=3 | | x+x+(x-4)+(x-4)=47 | | 180=72+5x+x |

Equations solver categories