exam Maths Puzzle Numerical Ability

factor completely:

9m^2-9

choices:
1) (3m-3)+(3m+3)
2) (3m+3)^2
3) (3m+3)(3m-3)
4) (3m-3)^6

??what is the difference between option 1 and option 3?

Read Solution (Total 0)

exam Other Question

find the equation that represents a line l that goes through (�2, �9) and has a slope of 5 Find the number of cherry trees and the number of tomato plants if:
each cherry tree is $43; area is 12 sq ft
each tomato plant is $16; area is 4 sq ft
Total expendature $1493