Question

Simplity 3n (4m-5)+ 3
and find its value for n=3​

Answer 1

Answer:

56 Factorise: a a3 -27 C 8-125*3 57 Factorise: a x2 -9 c x*+8x-9 e *J-8 58 Factorise fully: ... a W6+3\6 b 3^3 + 2^/3 -8% 2 C 6%/llWll d 9V5- 4\5-5\5 e 8-3V7+7V2-2 + 1/7 60 Find: b /i3 + ...

Answer 2

Step-by-step explanation:

given , n=3

3(3)(4m-5)+3=0

9(4m-5)+3=0

12m-15= -1

12m=14

m=14/12

m=7/6