Question

Can somebody please

Answer them in grouping and explain the strategy

40x - 16

16x - 24x - 4 +12

-8x -8

Answer 1

Explanation:

4ox-16=4[10x-4]this is because 4 is the common factor in both 40and 16

16x-24x-4±12=4[4x-6x-1±3]

-8x-8=8[-1-1]