(91a^2-9a-10)-(173a^2-47a+8)=297

Simple and best practice solution for (91a^2-9a-10)-(173a^2-47a+8)=297 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 (91a^2-9a-10)-(173a^2-47a+8)=297 equation:


Simplifying
(91a2 + -9a + -10) + -1(173a2 + -47a + 8) = 297

Reorder the terms:
(-10 + -9a + 91a2) + -1(173a2 + -47a + 8) = 297

Remove parenthesis around (-10 + -9a + 91a2)
-10 + -9a + 91a2 + -1(173a2 + -47a + 8) = 297

Reorder the terms:
-10 + -9a + 91a2 + -1(8 + -47a + 173a2) = 297
-10 + -9a + 91a2 + (8 * -1 + -47a * -1 + 173a2 * -1) = 297
-10 + -9a + 91a2 + (-8 + 47a + -173a2) = 297

Reorder the terms:
-10 + -8 + -9a + 47a + 91a2 + -173a2 = 297

Combine like terms: -10 + -8 = -18
-18 + -9a + 47a + 91a2 + -173a2 = 297

Combine like terms: -9a + 47a = 38a
-18 + 38a + 91a2 + -173a2 = 297

Combine like terms: 91a2 + -173a2 = -82a2
-18 + 38a + -82a2 = 297

Solving
-18 + 38a + -82a2 = 297

Solving for variable 'a'.

Reorder the terms:
-18 + -297 + 38a + -82a2 = 297 + -297

Combine like terms: -18 + -297 = -315
-315 + 38a + -82a2 = 297 + -297

Combine like terms: 297 + -297 = 0
-315 + 38a + -82a2 = 0

Begin completing the square.  Divide all terms by
-82 the coefficient of the squared term: 

Divide each side by '-82'.
3.841463415 + -0.4634146341a + a2 = 0

Move the constant term to the right:

Add '-3.841463415' to each side of the equation.
3.841463415 + -0.4634146341a + -3.841463415 + a2 = 0 + -3.841463415

Reorder the terms:
3.841463415 + -3.841463415 + -0.4634146341a + a2 = 0 + -3.841463415

Combine like terms: 3.841463415 + -3.841463415 = 0.000000000
0.000000000 + -0.4634146341a + a2 = 0 + -3.841463415
-0.4634146341a + a2 = 0 + -3.841463415

Combine like terms: 0 + -3.841463415 = -3.841463415
-0.4634146341a + a2 = -3.841463415

The a term is -0.4634146341a.  Take half its coefficient (-0.2317073171).
Square it (0.05368828080) and add it to both sides.

Add '0.05368828080' to each side of the equation.
-0.4634146341a + 0.05368828080 + a2 = -3.841463415 + 0.05368828080

Reorder the terms:
0.05368828080 + -0.4634146341a + a2 = -3.841463415 + 0.05368828080

Combine like terms: -3.841463415 + 0.05368828080 = -3.7877751342
0.05368828080 + -0.4634146341a + a2 = -3.7877751342

Factor a perfect square on the left side:
(a + -0.2317073171)(a + -0.2317073171) = -3.7877751342

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 14-7x=68-21x | | 2(0)-6y=12 | | 22=x+5+x+1 | | 4x-3x=8 | | (7y^6/2y^7)/(35y/4y^4) | | f(x)=2x^2-15*x+18 | | y^2-1/4=6 | | f(x)=x^3+3*x^2-4*x-12 | | y=2x-15y | | 2z+3=11 | | 0.3x-5.4=2.7+0.8x | | 5a-7/(5a/a-5)/10a | | 3n+4=3.1 | | 5y-35=2x-8 | | 2.5x+1.3=1.4x+1.3 | | 3(2-4a)=18 | | 6.8+0.4x=1.6 | | 10x-36=13x+9 | | x-0.35=-0.1 | | -5f-3=7 | | 9w-4w-4=21 | | 10x+7x-2x=2(7x+5) | | -12x+3=-21 | | y-68=34 | | 21=11x-12 | | m-8=-11 | | -5x-5=-4(x-1)-1 | | 3(x+7)=2x+1 | | 3x+42=24x | | 2x+=7 | | 3x+4=7x-2c | | 12x^2-24x-252=0 |

Equations solver categories