Question

If m= 2 and n= 3 then 10m2-9n2= 77 Justify your answer

Answer 1

Answer:

-6

Step-by-step explanation:

given that m =2 and n=3

find 10m2-9n2

sub the.value

m and n

10×2×2-9×3×2

10×4-9×6

40-54

-6