Question Simplify the expression x−21 Evaluate x−15−3×2Multiply the numbers x−15−6Solution x−21 Show Solution Find the roots x=21 Evaluate x−15−3×2To find the roots of the expression,set the expression equal to 0 x−15−3×2=0Multiply the numbers x−15−6=0Subtract the numbers x−21=0Move the constant to the right-hand side and change its sign x=0+21Solution x=21 Show Solution
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