15b^2+32b+7=-9

Simple and best practice solution for 15b^2+32b+7=-9 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 15b^2+32b+7=-9 equation:


Simplifying
15b2 + 32b + 7 = -9

Reorder the terms:
7 + 32b + 15b2 = -9

Solving
7 + 32b + 15b2 = -9

Solving for variable 'b'.

Reorder the terms:
7 + 9 + 32b + 15b2 = -9 + 9

Combine like terms: 7 + 9 = 16
16 + 32b + 15b2 = -9 + 9

Combine like terms: -9 + 9 = 0
16 + 32b + 15b2 = 0

Factor a trinomial.
(4 + 3b)(4 + 5b) = 0

Subproblem 1

Set the factor '(4 + 3b)' equal to zero and attempt to solve: Simplifying 4 + 3b = 0 Solving 4 + 3b = 0 Move all terms containing b to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 3b = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 3b = 0 + -4 3b = 0 + -4 Combine like terms: 0 + -4 = -4 3b = -4 Divide each side by '3'. b = -1.333333333 Simplifying b = -1.333333333

Subproblem 2

Set the factor '(4 + 5b)' equal to zero and attempt to solve: Simplifying 4 + 5b = 0 Solving 4 + 5b = 0 Move all terms containing b to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 5b = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 5b = 0 + -4 5b = 0 + -4 Combine like terms: 0 + -4 = -4 5b = -4 Divide each side by '5'. b = -0.8 Simplifying b = -0.8

Solution

b = {-1.333333333, -0.8}

See similar equations:

| 250x+18000=700x | | (m+4)-5m= | | 18000x+250=700x | | a+8=20 | | 10y^4+29y^2+21=0 | | 5y^2+4=-21y | | 15x+54000=18x | | 3[x+(-2)]-2=-1 | | 7+3x=5x+5 | | 30+5a=22 | | 4(x-3)=x | | K-4.8=-7.2 | | 1.5x+3200=1.7x | | (3u-5)(4+u)=0 | | -5x+4=-7 | | 14x+32000=16x | | 15=-6+f | | -3x-2=-10 | | 2x+5=3(4x-5) | | -2x+5=4 | | 3(4k+14)=10k-12(k-7) | | -3x+2=3 | | 21=y+4 | | 6x+5=4x+1312 | | 4*z=36 | | 8x+3=7x | | (8+z)(3z+5)=0 | | 9+3(4x-5)=12-2(x+30) | | -4x+3y=-11 | | 5(2x+3)=215 | | 2x^2-7x=9 | | 24+2(x+4)=2(x+3) |

Equations solver categories