a^2-2b^2=1

Simple and best practice solution for a^2-2b^2=1 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 a^2-2b^2=1 equation:


Simplifying
a2 + -2b2 = 1

Solving
a2 + -2b2 = 1

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '2b2' to each side of the equation.
a2 + -2b2 + 2b2 = 1 + 2b2

Combine like terms: -2b2 + 2b2 = 0
a2 + 0 = 1 + 2b2
a2 = 1 + 2b2

Simplifying
a2 = 1 + 2b2

Reorder the terms:
-1 + a2 + -2b2 = 1 + 2b2 + -1 + -2b2

Reorder the terms:
-1 + a2 + -2b2 = 1 + -1 + 2b2 + -2b2

Combine like terms: 1 + -1 = 0
-1 + a2 + -2b2 = 0 + 2b2 + -2b2
-1 + a2 + -2b2 = 2b2 + -2b2

Combine like terms: 2b2 + -2b2 = 0
-1 + a2 + -2b2 = 0

Factor a trinomial.
(a + -2b)(a + b) = 0

Subproblem 1

Set the factor '(a + -2b)' equal to zero and attempt to solve: Simplifying a + -2b = 0 Solving a + -2b = 0 Move all terms containing a to the left, all other terms to the right. Add '2b' to each side of the equation. a + -2b + 2b = 0 + 2b Combine like terms: -2b + 2b = 0 a + 0 = 0 + 2b a = 0 + 2b Remove the zero: a = 2b Simplifying a = 2b

Subproblem 2

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

Solution

a = {2b, -1b}

See similar equations:

| 4+3cosx=4+3sinx | | .32-7x=14+11x | | 66=2n+9 | | 9m-6=4 | | -7/6x-7 | | 2z-4-8z+9=10z+6+z-12 | | (2b-4b^2)/(b^2-24) | | 25-9/25m^2 | | 7x+2x-9=8x-24 | | 3((4-2y)/5)-2y=12 | | 3m-7=21 | | 13x+2x^2+20=3x | | 8x-1=3x+5x-1 | | 3((4-2y)/5) | | 6(-1/2)-3z=9 | | 10-3p=2+2+5p | | n^2-5n+25=0 | | 4(5*3)=4*3y | | -8x-1=3x+5x-1 | | 2x+2y+2z=24 | | z^5-z^4-6z^3=0 | | logy=1.26931 | | 217.10x= | | 3(x-17)=42 | | -5n=-85 | | 2x+x=11.70 | | 3/11/3/11 | | -8x-x=3x+5 | | 217.10= | | 5(x+1)-5=2x+3(1+x) | | t-(-7)=-7 | | 7a^2-55a-8=0 |

Equations solver categories