Q1- 3(2x + 3) - 2 (x - 2) Expand and simplify
6x + 9 - 2x + 4
6x - 2x + 9 + 4
4x +13
Q2 - 11/5 ÷ 5/6 (change the mixed fraction to an improper fraction: 5 times 1 plus 1 = 6/5. when dividing fractions invert and multiply.
6/5 × 6/5 = 36/25 or 1 11/25
Q3) Workout 50 - (3 + 2) x 2² Use PEMDAS for Order of operation
(3 + 2) = 5
2² = 4
5 × 4 = 20
50 - 20 = 30
Q4) Factor x² + 15x
x is common to both variables x( x + 15)