Question

Refer to Expression 1 and Expression 2.
Expression 1
Expression 2
(a) What is the value of Expression 1?
(b) Insert parentheses in Expression 2 so that it has a value of 19. Then show why your expression has a
value of 19.

Answer 1

1:: \[6x5-3^{2}x9+4^{3}\]

Answer 2

2::: \[5+4x2+6-2x2-1\]

Answer 3

2::: \[5+4x2+6-2x2-1\]