Review
Assigned activities
Section 04 Order of Operations (answers)
1. (a)
 =
(b)
 =
(c)
= -1.44 + 2.89 = 1.45
(d) 2 - (3 - x)2
= 2 - (9 - 6x + x2) = -x2 + 6x - 7
(e) 3[2(x - 1)(x + 2)] = 3[2x2 + 2x - 4] = 6x2 +
6x - 12
(f)
= -x2 - x +
(g)
=
2. (1 - x2) ¸ x2
+ 1 =
 |
