30a^2-19a=63

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


Simplifying
30a2 + -19a = 63

Reorder the terms:
-19a + 30a2 = 63

Solving
-19a + 30a2 = 63

Solving for variable 'a'.

Reorder the terms:
-63 + -19a + 30a2 = 63 + -63

Combine like terms: 63 + -63 = 0
-63 + -19a + 30a2 = 0

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

Subproblem 1

Set the factor '(-7 + -6a)' equal to zero and attempt to solve: Simplifying -7 + -6a = 0 Solving -7 + -6a = 0 Move all terms containing a to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -6a = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -6a = 0 + 7 -6a = 0 + 7 Combine like terms: 0 + 7 = 7 -6a = 7 Divide each side by '-6'. a = -1.166666667 Simplifying a = -1.166666667

Subproblem 2

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

Solution

a = {-1.166666667, 1.8}

See similar equations:

| 2x+4+x+-24=180 | | 5c^2+37c+42=0 | | 7-3x=x+(8-4x) | | 8b-7=-11+5 | | A^2+16=8a | | -18=7k+19+3k | | 5w-5=-20 | | 2(3p+7)(p-2)=0 | | 7-3y=10 | | x^2-10+25=81 | | 10+4p=15p | | 10+4p=10p | | z=2x-y | | x^2+4=5x+9 | | 7x-3(5-x)+39= | | C^2+5c-14=0 | | (m+5)(m-7)=-20 | | 1.6a+6.23=-6.41 | | 2c+5c-14=0 | | 0.5x+13.9=x-9.4 | | 5a-9=0 | | x-3/5=x-5 | | (11x^2+7x+11)-(11x^2+20x+12)= | | 4(2x-2.3)=6x-9.2 | | M^2+3m=10 | | -0.2x+4.33=-0.4x+5.33 | | x/4+7=19 | | -3(x-4)=-6 | | (10x+12)+(6x+10)= | | 17x+(-36.6)=34 | | (2x-10)=4x+4 | | 2.8=2x+9.3 |

Equations solver categories