(5y+4)(5y-4)=

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


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

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

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

Multiply (4 + 5y) * (-4 + 5y)
(4(-4 + 5y) + 5y * (-4 + 5y)) = 0
((-4 * 4 + 5y * 4) + 5y * (-4 + 5y)) = 0
((-16 + 20y) + 5y * (-4 + 5y)) = 0
(-16 + 20y + (-4 * 5y + 5y * 5y)) = 0
(-16 + 20y + (-20y + 25y2)) = 0

Combine like terms: 20y + -20y = 0
(-16 + 0 + 25y2) = 0
(-16 + 25y2) = 0

Solving
-16 + 25y2 = 0

Solving for variable 'y'.

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

Add '16' to each side of the equation.
-16 + 16 + 25y2 = 0 + 16

Combine like terms: -16 + 16 = 0
0 + 25y2 = 0 + 16
25y2 = 0 + 16

Combine like terms: 0 + 16 = 16
25y2 = 16

Divide each side by '25'.
y2 = 0.64

Simplifying
y2 = 0.64

Take the square root of each side:
y = {-0.8, 0.8}

See similar equations:

| 4e^2x-16=0 | | 7(k+4)-(6k-5)=9 | | 6u/5-115=1/4 | | (2-9v)(2+9v)= | | 41=4x+9 | | y=11(0)+1 | | 31-3k=100 | | 20x+15y=135 | | 2(2x+5)=-5(2x-3)+2x | | 2x+2(0)=-8 | | -4x+0=8 | | -29-5x=-16x+15 | | 4X^2-4IX-1=0 | | 2(3x+4)=8+2x | | 12x+52=160 | | 5(4x+1)=-4(3x-2) | | 2x-5x=-2-13 | | 3n-10=4 | | 2(3x-4)=2x-(4x-8) | | (w+3)(w-5)= | | 6(2-2x)-5(3x-2)=3x | | 1=y/7 | | 4x+3x-26=6(2x-1) | | 5(y+1)-4y=9 | | https://lh5.googleusercontent.com/WqQa8aaEXUQK3BmAmn8HtBAkJUikrJ80oUH3TSkm0uNcRgrivTz_n5ENk-C8o_jsJiOGy5Q3rg=w437 | | -2-7x=x-4 | | X/5=-41 | | 132-9x=7x+20 | | 19h-11h+4h-8h=20 | | 9x+3=17x-29 | | 12y-5=8y+3 | | (x+4)+3x=-2(x+1)-6 |

Equations solver categories