(30y+4)+(8y^2-15y+4)=0

Simple and best practice solution for (30y+4)+(8y^2-15y+4)=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 (30y+4)+(8y^2-15y+4)=0 equation:


Simplifying
(30y + 4) + (8y2 + -15y + 4) = 0

Reorder the terms:
(4 + 30y) + (8y2 + -15y + 4) = 0

Remove parenthesis around (4 + 30y)
4 + 30y + (8y2 + -15y + 4) = 0

Reorder the terms:
4 + 30y + (4 + -15y + 8y2) = 0

Remove parenthesis around (4 + -15y + 8y2)
4 + 30y + 4 + -15y + 8y2 = 0

Reorder the terms:
4 + 4 + 30y + -15y + 8y2 = 0

Combine like terms: 4 + 4 = 8
8 + 30y + -15y + 8y2 = 0

Combine like terms: 30y + -15y = 15y
8 + 15y + 8y2 = 0

Solving
8 + 15y + 8y2 = 0

Solving for variable 'y'.

Begin completing the square.  Divide all terms by
8 the coefficient of the squared term: 

Divide each side by '8'.
1 + 1.875y + y2 = 0

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + 1.875y + -1 + y2 = 0 + -1

Reorder the terms:
1 + -1 + 1.875y + y2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 1.875y + y2 = 0 + -1
1.875y + y2 = 0 + -1

Combine like terms: 0 + -1 = -1
1.875y + y2 = -1

The y term is 1.875y.  Take half its coefficient (0.9375).
Square it (0.87890625) and add it to both sides.

Add '0.87890625' to each side of the equation.
1.875y + 0.87890625 + y2 = -1 + 0.87890625

Reorder the terms:
0.87890625 + 1.875y + y2 = -1 + 0.87890625

Combine like terms: -1 + 0.87890625 = -0.12109375
0.87890625 + 1.875y + y2 = -0.12109375

Factor a perfect square on the left side:
(y + 0.9375)(y + 0.9375) = -0.12109375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 1+1x+1y+1m=1 | | 72=5+20 | | 2x^2+11x-67=0 | | 1x-1.87x=13.92 | | -20=-8-f-f | | 14432432+324x=234234+42x-32y | | R+15=15 | | x=-7x+9+x(4x+6) | | h+7=2h+14-9 | | 20s=89 | | t(x)=2.4x^2+90.8x+1.59 | | 9x-2x=11 | | 12j-3(j-2)=33 | | 10=8+d+d+d+d | | 4x^2y-16x^2y^2-12xy=0 | | 3x+4x=140 | | 78=3d+12-d+4 | | 0=2.4x^2+90.8x+1.59 | | 4x+42-5x=2-8x+5 | | 8(u-5)+3u=4 | | 8(3m+6)-7(4m-9)=-1 | | z+z+z-10=-1 | | 6+3w=4w | | 18(7-2n)=1(7+2n) | | 3+2p=17 | | 3x+4=28x-78 | | 4x+42-5x=2-8x-5 | | 747=2.4x^2+90.8x+1.59 | | X^3+X^2=576 | | 4t=1.6 | | -13t=-117 | | x-10y=-10 |

Equations solver categories