15a^2=-56+61a

Simple and best practice solution for 15a^2=-56+61a 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 15a^2=-56+61a equation:


Simplifying
15a2 = -56 + 61a

Solving
15a2 = -56 + 61a

Solving for variable 'a'.

Reorder the terms:
56 + -61a + 15a2 = -56 + 61a + 56 + -61a

Reorder the terms:
56 + -61a + 15a2 = -56 + 56 + 61a + -61a

Combine like terms: -56 + 56 = 0
56 + -61a + 15a2 = 0 + 61a + -61a
56 + -61a + 15a2 = 61a + -61a

Combine like terms: 61a + -61a = 0
56 + -61a + 15a2 = 0

Factor a trinomial.
(7 + -5a)(8 + -3a) = 0

Subproblem 1

Set the factor '(7 + -5a)' equal to zero and attempt to solve: Simplifying 7 + -5a = 0 Solving 7 + -5a = 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 + -5a = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -5a = 0 + -7 -5a = 0 + -7 Combine like terms: 0 + -7 = -7 -5a = -7 Divide each side by '-5'. a = 1.4 Simplifying a = 1.4

Subproblem 2

Set the factor '(8 + -3a)' equal to zero and attempt to solve: Simplifying 8 + -3a = 0 Solving 8 + -3a = 0 Move all terms containing a to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -3a = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -3a = 0 + -8 -3a = 0 + -8 Combine like terms: 0 + -8 = -8 -3a = -8 Divide each side by '-3'. a = 2.666666667 Simplifying a = 2.666666667

Solution

a = {1.4, 2.666666667}

See similar equations:

| -1=-4(8k-6)-(k-8) | | 7v-38=-8(v+1) | | a-3.5=20.5 | | -35x+34=7(2-5x) | | 7-38=-8(v+1) | | 2a-22.7=a+1.3 | | 5p+2p=18 | | 2(3+4x)=2(x-6) | | 5(u+4)-8u=-10 | | 6(1+2x)=-34+4x | | 107+84+68+y=(4-2)180 | | 180=3x+y | | 101+73+81+y=(4-2)180 | | 15x^4-4x^3-6x^2-4x-1=0 | | 2x-6=6x/(x-5) | | 156n=(n-2)180 | | 15+g= | | 22+9=x | | -7(4p+1)-8(3p+8)=-71 | | ln(2x)+ln(4x)+ln(8x)=-3 | | -3=7+5y | | y^2-19y+98=0 | | 4x(x+1)-5=10 | | 2(x+8)=15 | | 2x-5+8=3x+2(2-3x) | | 10x^2+12x=16 | | -7(y-9)=-3y+23 | | 1=1f | | 168n=(n-2)180 | | N+N+M=18 | | 168=(n-2)180 | | 10a=3b |

Equations solver categories