Question

1. Given that a = -2 and b = 7, evaluate the following expressions: (b - a)² ​

Answer 1

Step-by-step explanation:

${(b - a)}^{2} = {(7 + 2)}^{2} = {9}^{2} = 81$

Answer 2

Answer:

(b-a)^2

(7-(-2))^2

(9)^2

9×9

81