$~~~~x^2-6xy=z-9y^2\\\\\implies x^2- 2\cdot x\cdot 3y + (3y)^2 - (3y)^2 = z-9y^2\\ \\\implies (x-3y)^2 -9y^2 = z-9y^2\\\\\implies (x-3y)^2 = z\\\\\implies x - 3y =\pm\sqrt z\\\\\implies x = 3y\pm\sqrt z$

4 0

3 years ago

What's the difference between linear equations and algebra?

Delicious77 [7]

Answer:

So, Linear equations is the branch of algebra which deals with equality based equations with the infinite number of variables (highest index of any variable is one.)

Whereas, algebra is the branch of mathematics which deals with the variables, constants and the relationship between them

Step-by-step explanation:

8 0

3 years ago