Question Simplify the expression 12−8j Evaluate 4(3−2j)Apply the distributive property 4×3−4×2jMultiply the numbers 12−4×2jSolution 12−8j Show Solution Find the roots j=23Alternative Form j=1.5 Evaluate 4(3−2j)To find the roots of the expression,set the expression equal to 0 4(3−2j)=0Rewrite the expression 3−2j=0Move the constant to the right side −2j=0−3Removing 0 doesn't change the value,so remove it from the expression −2j=−3Change the signs on both sides of the equation 2j=3Divide both sides 22j=23Solution j=23Alternative Form j=1.5 Show Solution