Question Factor the expression 3(28−j) Evaluate 84−3jSolution 3(28−j) Show Solution Find the roots j=28 Evaluate 84−3jTo find the roots of the expression,set the expression equal to 0 84−3j=0Move the constant to the right-hand side and change its sign −3j=0−84Removing 0 doesn't change the value,so remove it from the expression −3j=−84Change the signs on both sides of the equation 3j=84Divide both sides 33j=384Divide the numbers j=384Solution More Steps Evaluate 384Reduce the numbers 128Calculate 28 j=28 Show Solution
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