Question Simplify the expression 3−90j Evaluate 3−j×90Solution 3−90j Show Solution Factor the expression 3(1−30j) Evaluate 3−j×90Use the commutative property to reorder the terms 3−90jSolution 3(1−30j) Show Solution Find the roots j=301Alternative Form j=0.03˙ Evaluate 3−j×90To find the roots of the expression,set the expression equal to 0 3−j×90=0Use the commutative property to reorder the terms 3−90j=0Move the constant to the right-hand side and change its sign −90j=0−3Removing 0 doesn't change the value,so remove it from the expression −90j=−3Change the signs on both sides of the equation 90j=3Divide both sides 9090j=903Divide the numbers j=903Solution j=301Alternative Form j=0.03˙ Show Solution