135=(2y+3)*(2y-3)

Simple and best practice solution for 135=(2y+3)*(2y-3) 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 135=(2y+3)*(2y-3) equation:


Simplifying
135 = (2y + 3)(2y + -3)

Reorder the terms:
135 = (3 + 2y)(2y + -3)

Reorder the terms:
135 = (3 + 2y)(-3 + 2y)

Multiply (3 + 2y) * (-3 + 2y)
135 = (3(-3 + 2y) + 2y * (-3 + 2y))
135 = ((-3 * 3 + 2y * 3) + 2y * (-3 + 2y))
135 = ((-9 + 6y) + 2y * (-3 + 2y))
135 = (-9 + 6y + (-3 * 2y + 2y * 2y))
135 = (-9 + 6y + (-6y + 4y2))

Combine like terms: 6y + -6y = 0
135 = (-9 + 0 + 4y2)
135 = (-9 + 4y2)

Solving
135 = -9 + 4y2

Solving for variable 'y'.

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

Add '-4y2' to each side of the equation.
135 + -4y2 = -9 + 4y2 + -4y2

Combine like terms: 4y2 + -4y2 = 0
135 + -4y2 = -9 + 0
135 + -4y2 = -9

Add '-135' to each side of the equation.
135 + -135 + -4y2 = -9 + -135

Combine like terms: 135 + -135 = 0
0 + -4y2 = -9 + -135
-4y2 = -9 + -135

Combine like terms: -9 + -135 = -144
-4y2 = -144

Divide each side by '-4'.
y2 = 36

Simplifying
y2 = 36

Take the square root of each side:
y = {-6, 6}

See similar equations:

| log(x+2)=log(3x-1) | | n-4=-4 | | 4(y-3)-6y=-2(y+6) | | (x+3)(x+2)=10x | | 0.7x^2=2.8x+0.7 | | 2y+7=3 | | 36x^2-5xy-24y^2=0 | | 15+2x=3x-15 | | 5(3y-1)=-35 | | 2(w+1)+4w=3(2w-1) | | 25z^2-36=0 | | 2(n+6)=36 | | 2x-5=3x+21 | | 14z-(3z-2)=[5z+2-(2-1)] | | 2p^2=-13p-15 | | 3(y-2)-4y=2(y-9) | | y=-2+.3+5 | | -9v+1=-80 | | 16x^2-a^2=0 | | 7x+4+5x=148 | | (4x-11)+x=204 | | 20x^2=-15x | | n-10+10=30 | | 4y^2-12=0 | | (3x^2y)-(-2x)(xy^2)=n | | -3(v+5)+2=4(v+2) | | -6(4y-8z)+8(3y-6z)= | | 3(w+2)-w=2(w-1)+5 | | -17=-17z | | x^2-20-x=0 | | 4t+8-6= | | 9(8n-4n)= |

Equations solver categories