Question 12−9k Factor the expression 3(4−3k) Evaluate 12−9kSolution 3(4−3k) Show Solution Find the roots k=34Alternative Form k=1.3˙ Evaluate 12−9kTo find the roots of the expression,set the expression equal to 0 12−9k=0Move the constant to the right-hand side and change its sign −9k=0−12Removing 0 doesn't change the value,so remove it from the expression −9k=−12Change the signs on both sides of the equation 9k=12Divide both sides 99k=912Divide the numbers k=912Solution k=34Alternative Form k=1.3˙ Show Solution