45a^2-45ab-20b^2=0

Simple and best practice solution for 45a^2-45ab-20b^2=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 45a^2-45ab-20b^2=0 equation:


Simplifying
45a2 + -45ab + -20b2 = 0

Reorder the terms:
-45ab + 45a2 + -20b2 = 0

Solving
-45ab + 45a2 + -20b2 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '5'.
5(-9ab + 9a2 + -4b2) = 0

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

Ignore the factor 5.

Subproblem 1

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

Subproblem 2

Set the factor '(3a + b)' equal to zero and attempt to solve: Simplifying 3a + b = 0 Solving 3a + b = 0 Move all terms containing a to the left, all other terms to the right. Add '-1b' to each side of the equation. 3a + b + -1b = 0 + -1b Combine like terms: b + -1b = 0 3a + 0 = 0 + -1b 3a = 0 + -1b Remove the zero: 3a = -1b Divide each side by '3'. a = -0.3333333333b Simplifying a = -0.3333333333b

Solution

a = {1.333333333b, -0.3333333333b}

See similar equations:

| (5x^2y^3)/xy | | 42=3(9x-4) | | 5x^2y^3/xy | | 1/2-4x=3 | | [(8m^2+4m-7)-(8m^2-5m+9)]-(m^2+m+6)= | | 1/2x-4=3 | | 3x+8=-16+13x | | 6x^2+60xy+150y^2=0 | | 2sin^2x+4sinx+-1=0 | | 4x+7x=4+x | | 2k+3=4k-3 | | -2(2t+2)=-24 | | (8-v)(4v-6)=0 | | .5m-12=.67m+8 | | 3(m+1)+2(2m+9)=0 | | 3w+17=11-3w | | 10(s-9)=-196 | | f(2)=2x^4-8x^2+5x-7 | | .5m-12=.67+8 | | z^2=32 | | 3/5|1/10 | | (5ab^2/c^3)^-2 | | 5s-11=-17+8s | | (9x+5)+(18-9x)= | | 6(3g+2)=4(4g+7) | | 9p-14=-14+5p | | z^2+5Z+2z=0 | | 4x^3-12x-4=0 | | 5x+38=4x-61 | | 7x^2y^2+8xy^2+y^3=0 | | 2(6)-y=18 | | 2(5)-y=18 |

Equations solver categories