Question Factor the expression 4(9−10d) Evaluate 36−40dSolution 4(9−10d) Show Solution Find the roots d=109Alternative Form d=0.9 Evaluate 36−40dTo find the roots of the expression,set the expression equal to 0 36−40d=0Move the constant to the right-hand side and change its sign −40d=0−36Removing 0 doesn't change the value,so remove it from the expression −40d=−36Change the signs on both sides of the equation 40d=36Divide both sides 4040d=4036Divide the numbers d=4036Solution d=109Alternative Form d=0.9 Show Solution
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