Question Factor the expression Factor 6(9−7t) Evaluate 54−42tSolution 6(9−7t) Show Solution Find the roots Find the roots of the algebra expression t=79Alternative Form t=1.2˙85714˙ Evaluate 54−42tTo find the roots of the expression,set the expression equal to 0 54−42t=0Move the constant to the right-hand side and change its sign −42t=0−54Removing 0 doesn't change the value,so remove it from the expression −42t=−54Change the signs on both sides of the equation 42t=54Divide both sides 4242t=4254Divide the numbers t=4254Solution t=79Alternative Form t=1.2˙85714˙ Show Solution