y(2y+7)=15

Simple and best practice solution for y(2y+7)=15 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 y(2y+7)=15 equation:


Simplifying
y(2y + 7) = 15

Reorder the terms:
y(7 + 2y) = 15
(7 * y + 2y * y) = 15
(7y + 2y2) = 15

Solving
7y + 2y2 = 15

Solving for variable 'y'.

Reorder the terms:
-15 + 7y + 2y2 = 15 + -15

Combine like terms: 15 + -15 = 0
-15 + 7y + 2y2 = 0

Factor a trinomial.
(-5 + -1y)(3 + -2y) = 0

Subproblem 1

Set the factor '(-5 + -1y)' equal to zero and attempt to solve: Simplifying -5 + -1y = 0 Solving -5 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -1y = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1y = 0 + 5 -1y = 0 + 5 Combine like terms: 0 + 5 = 5 -1y = 5 Divide each side by '-1'. y = -5 Simplifying y = -5

Subproblem 2

Set the factor '(3 + -2y)' equal to zero and attempt to solve: Simplifying 3 + -2y = 0 Solving 3 + -2y = 0 Move all terms containing y to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -2y = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2y = 0 + -3 -2y = 0 + -3 Combine like terms: 0 + -3 = -3 -2y = -3 Divide each side by '-2'. y = 1.5 Simplifying y = 1.5

Solution

y = {-5, 1.5}

See similar equations:

| -6x(-4)+15x-5-2x= | | 950=.3333x | | 23x*17=0 | | 5n-12=3-n+4 | | -x^2+16x+64=0 | | 3=4x+5-2(x-1) | | -26=-2h | | -6+x^2+4x=0 | | -11=b-3 | | (a^3b^2c^5)^3/b^12 | | z/3=-10 | | 10t^2+10t+25=0 | | 50=x+15 | | -5=x/2 | | 12=4/8g | | -2d=-22 | | 4+5m=37 | | 3(x-4)+4x-10= | | 20w+240=500 | | 16(x+2)=4(4x+5)+12 | | 9x-16=-6x+24 | | 31=a/3+20 | | -8x^2+8x+16=0 | | (-24m-16n)-11(2m-5n)+3= | | 4x=3x+34*3x | | 4x+3=3x+34*3x | | 6x12+8/5 | | 2p+8=6-(11p+5) | | 5p+2=10 | | 63/64+1/2x | | 15*5+(33-7)= | | 100-3x=22 |

Equations solver categories