Question

20. Factorise (a) 10m3n

2 + 15m4n – 20m2n

3

(b) 7a (2x – 3) + 3b (2x – 3)​

Answer 1

Answer:

I) 10m3n +2+15m4n-20m2n+3

30mn+5+60mn-40

90mn-35

ii) 7a(2x-3) + 3b(2x-3)

14ax - 21a + 6bx - 9b

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