Question

Using suitable algebraic rule, calculate 105^2 -5^2

Answer 1

11000

Explanation:

To ^2 a number is to multiply it by itself, or 3^2=3x3 4^2=4x4 etc.

(105x105) - (5x5)

105x105=11025

5x5=25

11025-25=11000

Answer 2

`\huge\boxed{\sf 11000}`

Explanation:

`\sf 105^2 - 5^2\\\\Using\ Formula \ a^2 = b^2 = (a+b)(a-b)\\\\Here\ a = 105 \ and \ b = 5\\\\(105+5)(105-5)\\\\(110)(100)\\\\11000`

Hope this helped!

~AnonymousHelper1807