Question

Find the value of 34^2 - 21^2​

Answer 1

Answer:

715

Step-by-step explanation:

34×34= 1,156

21×21= 441

so, 1,156-441= 715

Answer 2

Given that, $34^{2} -21^{2}$

That is, $34^{2}$=1156

and $21^{2}$=441

Therefore, $34^{2} -21^{2}$= 715