Question Factor the expression 31(x−63) Evaluate 31x−21Solution 31(x−63) Show Solution Find the roots x=63 Evaluate 31x−21To find the roots of the expression,set the expression equal to 0 31x−21=0Move the constant to the right-hand side and change its sign 31x=0+21Removing 0 doesn't change the value,so remove it from the expression 31x=21Multiply by the reciprocal 31x×3=21×3Multiply x=21×3Solution x=63 Show Solution
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