Question Factor the expression 2(90−a) Evaluate 180−2aSolution 2(90−a) Show Solution Find the roots a=90 Evaluate 180−2aTo find the roots of the expression,set the expression equal to 0 180−2a=0Move the constant to the right-hand side and change its sign −2a=0−180Removing 0 doesn't change the value,so remove it from the expression −2a=−180Change the signs on both sides of the equation 2a=180Divide both sides 22a=2180Divide the numbers a=2180Solution More Steps Evaluate 2180Reduce the numbers 190Calculate 90 a=90 Show Solution
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