4b^2-8b-32=

Simple and best practice solution for 4b^2-8b-32= 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 4b^2-8b-32= equation:


Simplifying
4b2 + -8b + -32 = 0

Reorder the terms:
-32 + -8b + 4b2 = 0

Solving
-32 + -8b + 4b2 = 0

Solving for variable 'b'.

Factor out the Greatest Common Factor (GCF), '4'.
4(-8 + -2b + b2) = 0

Factor a trinomial.
4((-2 + -1b)(4 + -1b)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-2 + -1b)' equal to zero and attempt to solve: Simplifying -2 + -1b = 0 Solving -2 + -1b = 0 Move all terms containing b to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1b = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1b = 0 + 2 -1b = 0 + 2 Combine like terms: 0 + 2 = 2 -1b = 2 Divide each side by '-1'. b = -2 Simplifying b = -2

Subproblem 2

Set the factor '(4 + -1b)' equal to zero and attempt to solve: Simplifying 4 + -1b = 0 Solving 4 + -1b = 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 + -1b = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1b = 0 + -4 -1b = 0 + -4 Combine like terms: 0 + -4 = -4 -1b = -4 Divide each side by '-1'. b = 4 Simplifying b = 4

Solution

b = {-2, 4}

See similar equations:

| -2(x-1)-3(x+2)=11 | | 0.17x+0.25y+0.25z+15=x | | -8k^2-20=-308 | | 5x-4y=-6 | | 2y^2+y^2=50 | | 20=4/3x-23 | | (3.2+1.8)+b=8 | | 3x+8(8)=x+32(32) | | -2x-y=o | | 8+3x(8)=32+x(32) | | 8n=3.2 | | 2(y-1)(y-1)=y^2 | | -3-2(-3+2x)=-x | | x^3+3x^2+28x+26=0 | | 8+x(8)=32+3x(32) | | 62-3x=6x+18 | | 6x=2x-(x-10) | | (1/2m^2)=(1/m)-(1/2) | | 7(2x-9)=2(3x-8) | | -1/4x+1/3 | | 12-2(x+1)=2x+2 | | x^4-8x^3+26x^2-40x+25=0 | | 3(2+3x)=4(3+2x) | | -7x^2-77x-126=0 | | a^2-20a-1056=0 | | 6(x+1)=3(x+1)+x+5 | | x^2-6+11=0 | | 2(x+1)+3(x+1)=25 | | ((k+4)/4)+((k-1)/4)=(k+4)/4k | | (k+4/4)+(k-1/4)=k+4/4k | | 3(2x+1)+x=4x+27 | | 4d^2-8d-88=8 |

Equations solver categories