The standard form of 8-12 is
−812
−46
−23
none of these
-23
8-12
both 8 and 12 has common factor 4 so divide them by 4.
8÷(-4)-12÷(-4)=-23
Hence, option C is correct
what is a common factor in standard form . how can 12/7 be a standard form ?
-12/30 in standard form
Solve
1-811