Question

Find the root of the equation x^2-99=1

Answer 1

Step-by-step explanation:

x^2-99=1

x^2=100

x=√100

x=10

Answer 2

Answer:

x² - 99 = 1

x² = 1+99

x² = 100

x = √100

x = +10 or x = - 10

It is + and - because,

-10 × -10 = 100

Also 10×10 = 100

So it can be +10 or - 10

And because it is a quadratic equation it should have two roots

10 and - 10 are the roots of the equation

Pls follow....