Question

3. Multiply (i) a2 - 2ab by 4 (ii) 2b +5c by bc (iv) 2ab-3a2-5b + 2 by 3a²b (iii) 2 xy +3yz - zx by -5xyz​

Full Explanation with picture

Answer 1

Answer:

(1) 4 × (a2 - 2ab)

4×a2 - 4×2ab

4a2 - 8ab Answer

(2) bc × 2b + 5c

bc×2b + bc×5c

2b square c + 5bc square answer