Question

evaluate (205)^2-(195)^2

Answer 1

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Answer 2

Answer:

Evaluate -: (205)²-(195)²

By applying the formula of (a²-b²) = (a-b) (a+b). We can get our answers.

So, the process is like ......

(a²-b²) = (a-b) (a+b)

(205)²-(195)²= (205-195) (205+195)

= (10) (400)

That is.....

= 10×400

= 4,000

Step-by-step explanation:

Hence, our answer is 4,000 and we got our answer through the identify (a²-b²) = (a-b) (a+b) .