Question

find the value of 59^2

Answer 1

3481 google calculator

Answer 2

4
59
*59
----
531
295
-------
3481

Answer 3

\(59^2 = (60-1)^2 = 60^2 -2*60*1 + 1 = 3600 - 120 + 1 = 3481 \)

Answer 4

another approach
59² is like 60² but -(60+59)

Answer 5

Evaluate if x=12 and y=10 : 3xy-2x+7y

Answer 6

And so is 79²=80²-80-79

Answer 7

Replace x by 12 and y by 10 in 3xy - 2x + 7y and evaluate the expression.