4y^2+9y-28=0

Simple and best practice solution for 4y^2+9y-28=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^2+9y-28=0 equation:


Simplifying
4y2 + 9y + -28 = 0

Reorder the terms:
-28 + 9y + 4y2 = 0

Solving
-28 + 9y + 4y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-4 + -1y)(7 + -4y) = 0

Subproblem 1

Set the factor '(-4 + -1y)' equal to zero and attempt to solve: Simplifying -4 + -1y = 0 Solving -4 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1y = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1y = 0 + 4 -1y = 0 + 4 Combine like terms: 0 + 4 = 4 -1y = 4 Divide each side by '-1'. y = -4 Simplifying y = -4

Subproblem 2

Set the factor '(7 + -4y)' equal to zero and attempt to solve: Simplifying 7 + -4y = 0 Solving 7 + -4y = 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 + -4y = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -4y = 0 + -7 -4y = 0 + -7 Combine like terms: 0 + -7 = -7 -4y = -7 Divide each side by '-4'. y = 1.75 Simplifying y = 1.75

Solution

y = {-4, 1.75}

See similar equations:

| 2x+3y=3(y-4x) | | -8=-20 | | 2(2x)+2x=360 | | 5+a=-5a+5 | | 2(2x)+2x=260 | | 4x-1=2a+7 | | 7(8x-3)+x=-7x-21 | | 7a=a(-24) | | ak-r=on(k) | | 9=1+3n-7 | | p=2(p-8)+7 | | 36/6-(2+8)= | | 6(-6+4n)-6=12-3n | | 3x-(7x+9)=3-x | | 50=2(w+2w-5) | | 70=2x+3y | | (3-2i)(4-5i)= | | 2t^3-50t= | | 70=2x+3 | | x^6-4x^4=0 | | (7x+11)=(16x-38) | | 2-3(7-7k)=-191 | | 8x+6-7x=11 | | 16=3x-11x | | x^6-4x^4+3=0 | | (7+9)+(12.2)= | | 200+.25(x)=375 | | 3x+6(3x+3)=186 | | 198=6(1-4x) | | 6(x+4)-2(x-1)=2x+20 | | S-19=-44 | | (3x)0.20*(3x)-1.20= |

Equations solver categories