Sagot :
-7i (6i - 3)
Perform the distributed multiplication to eliminate the parentheses:
-7i (6i) - 7i (-3) = -42i² + 21i
IF i = √-1 , then the expression is equal to (42 + 21i) or 21(2 + i) .
Perform the distributed multiplication to eliminate the parentheses:
-7i (6i) - 7i (-3) = -42i² + 21i
IF i = √-1 , then the expression is equal to (42 + 21i) or 21(2 + i) .