1. 8 + ((12 + 5) x 4) / 2
8+ (17 x 4) /2
8+ 68/2 8+34
42
2. (( 3 + 4 )2 + 4 ) – 2
((7)2 +4) -2
(49+4) -2
53 – 2
51
3. ((12 + 7 ) + ( 8 ÷ 4)2 )
(19+(2) 2)
19+4
23
4.
5.
6. = =
7.
8.
Section B: Simplifying Algebraic Expressions
1. 2x + 3x – 5x + x
5x -5x +x
0x +x
X
2. 2(6x + 5)
12x +10
3. (14x – 7) / 7
2x-1
4. –(–15x) – 3x
15x – 3x
12x
5. 5(3x + 4) – 4
15x + 20 – 4
15x +16
6. 5(3x – 2) + 12x
15x – 10 + 12x
27x -10
7. 4(2y – 6) + 3(5y + 10)
8y -24 + 15y +30
23y + 6
8. (x + 1)(x – 2)
X2 – 2x +1x -2
X2 – 1x -2