4b^2-7b-28b+49=0

Simple and best practice solution for 4b^2-7b-28b+49=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 4b^2-7b-28b+49=0 equation:


Simplifying
4b2 + -7b + -28b + 49 = 0

Reorder the terms:
49 + -7b + -28b + 4b2 = 0

Combine like terms: -7b + -28b = -35b
49 + -35b + 4b2 = 0

Solving
49 + -35b + 4b2 = 0

Solving for variable 'b'.

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

Subproblem 1

Set the factor '(7 + -4b)' equal to zero and attempt to solve: Simplifying 7 + -4b = 0 Solving 7 + -4b = 0 Move all terms containing b to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -4b = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -4b = 0 + -7 -4b = 0 + -7 Combine like terms: 0 + -7 = -7 -4b = -7 Divide each side by '-4'. b = 1.75 Simplifying b = 1.75

Subproblem 2

Set the factor '(7 + -1b)' equal to zero and attempt to solve: Simplifying 7 + -1b = 0 Solving 7 + -1b = 0 Move all terms containing b to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1b = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1b = 0 + -7 -1b = 0 + -7 Combine like terms: 0 + -7 = -7 -1b = -7 Divide each side by '-1'. b = 7 Simplifying b = 7

Solution

b = {1.75, 7}

See similar equations:

| 4(500)+4y=2400 | | u^2+5u-4=0 | | 4x+2y=150 | | x^2+10x+17=8 | | 1.3v=-5 | | 4(1000)+4y=2400 | | 71m-62+3=-31m | | 5(x-1)=4(x-1)2(x+2) | | 19*1.25=x | | 4u^2-3u+6=0 | | 320a^2-245=0 | | 10-19r+6r^2=0 | | 4x^2-3x=-5 | | 3z^2+9z+8=0 | | x^2+9x=8x+72 | | -6+2x-4=-3 | | 4x^3=40 | | -3(-2x+5)=11-4x | | 7200+y=11400 | | -1x=-7200 | | 3(7r-7)=6+6r | | 6-5X=3-4X | | 3x^2+16x-75=0 | | 2x+58=6x-14 | | 150-2x=25x+18 | | .15x=2.7 | | 3x^2+40x-99=0 | | 5xX-3a= | | 5-8x=185-43x | | 5x+60=16x | | -15+x=x+15 | | 8x+8=-16 |

Equations solver categories