30b^2-19b=63

Simple and best practice solution for 30b^2-19b=63 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 30b^2-19b=63 equation:


Simplifying
30b2 + -19b = 63

Reorder the terms:
-19b + 30b2 = 63

Solving
-19b + 30b2 = 63

Solving for variable 'b'.

Reorder the terms:
-63 + -19b + 30b2 = 63 + -63

Combine like terms: 63 + -63 = 0
-63 + -19b + 30b2 = 0

Factor a trinomial.
(-7 + -6b)(9 + -5b) = 0

Subproblem 1

Set the factor '(-7 + -6b)' equal to zero and attempt to solve: Simplifying -7 + -6b = 0 Solving -7 + -6b = 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 + -6b = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -6b = 0 + 7 -6b = 0 + 7 Combine like terms: 0 + 7 = 7 -6b = 7 Divide each side by '-6'. b = -1.166666667 Simplifying b = -1.166666667

Subproblem 2

Set the factor '(9 + -5b)' equal to zero and attempt to solve: Simplifying 9 + -5b = 0 Solving 9 + -5b = 0 Move all terms containing b to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -5b = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -5b = 0 + -9 -5b = 0 + -9 Combine like terms: 0 + -9 = -9 -5b = -9 Divide each side by '-5'. b = 1.8 Simplifying b = 1.8

Solution

b = {-1.166666667, 1.8}

See similar equations:

| 2r^2-13t+6=0 | | f(9)=45 | | x+-3=15 | | 3x^3-7x^2=-2x | | 53=-k-11-7k | | f(3)=-18 | | 3w^2-24w=0 | | 25=5c-3+2c | | 5x^2+x-120=0 | | x-9=24 | | 3+2(s-3t)= | | 12x-6+7x=180 | | (2a-1)(3a-1)= | | x+9y=4 | | N-2=n(2)-11 | | 2x+1=4x-3+4 | | 4(7n-3)=-12-8n | | 43x+36=54x+14 | | 4-c=-(1)/(3) | | X+(x+34)=162+12 | | -7x-35=2x+10 | | x^2-4x+4=8x-28 | | 2n-6n+6=-18-n+3 | | 5x-3+2x+6=43 | | 11+8(3u-4)-2(u+6)+9= | | -4y-8=12x | | 2x+-11=13 | | -3+x-4x=-15 | | 2x-5+17=8x-1-2x | | 13x^2+x-1=0 | | -103=5-9r | | -5x-9-3x=27 |

Equations solver categories