(4y-9)(7+y)=0

Simple and best practice solution for (4y-9)(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 (4y-9)(7+y)=0 equation: 


Simplifying
(4y + -9)(7 + y) = 0

Reorder the terms:
(-9 + 4y)(7 + y) = 0

Multiply (-9 + 4y) * (7 + y)
(-9(7 + y) + 4y * (7 + y)) = 0
((7 * -9 + y * -9) + 4y * (7 + y)) = 0
((-63 + -9y) + 4y * (7 + y)) = 0
(-63 + -9y + (7 * 4y + y * 4y)) = 0
(-63 + -9y + (28y + 4y2)) = 0

Combine like terms: -9y + 28y = 19y
(-63 + 19y + 4y2) = 0

Solving
-63 + 19y + 4y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-7 + -1y)(9 + -4y) = 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 '(9 + -4y)' equal to zero and attempt to solve:

Simplifying
9 + -4y = 0

Solving
9 + -4y = 0

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

Add '-9' to each side of the equation.
9 + -9 + -4y = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -4y = 0 + -9
-4y = 0 + -9

Combine like terms: 0 + -9 = -9
-4y = -9

Divide each side by '-4'.
y = 2.25

Simplifying
y = 2.25
Solution
y = {-7, 2.25}

See similar equations:

| 14x-9=29 | | (6-v)(5v+3)=0 | | 5+(6x+4)=8 | | x+x(.16)=7500 | | 4x-3+2x=45 | | N^2-n-90=o | | N*n*-n-90=0 | | 7x+6x+9=180 | | 0=13x+x^2-60 | | 3x^7=18x^3 | | 8k+20=84 | | 8x+6*6=5 | | 7x+11=0.75+2 | | 6x+7=5x+5 | | E(13)=2n | | A(2)=3.14 | | 2(3x+23)-4(15x+100)=200-10x | | 18x^2+6+4x-15x^2-4+13x= | | 4-2w=3(w-7) | | 2log(3x)-5=7 | | 243x=73 | | lnx/0.5 | | -3-p=4 | | 2+4b=26 | | 80=40+8n | | 24x/4=10 | | 6y/3=96 | | 2x+1+x+6=180 | | -7=43 | | -14x-7=35 | | 2x=33+5 | | 114=5n+4 |

Equations solver categories