Question

If a= -5 and b= -2,then what is the value of [a-b]2

Answer 1

Explanation:

Substitute the values of a and b into [a-b]2

= [-5-(-2)]2

= [-5+2]2

= [-3]2

= -6

Answer 2

substitute= -5–2 x 2
solve= 10x2
=20