Question

Xyz + x² - y² when x = 3 and y = 4 and z = 5

Answer 1

53

Explanation:

xyz + x² - y²

= 3*4*5 + 3^2 -4^2

=60+9-16

=69-16

=53

Answer 2

53

Explanation:

345+3^2-4^2

3^2=9

4^2=16

3*4*5=60

60+9-16=53