Question Simplify the expression 21x2 Evaluate 21(x2×1)Remove the parentheses 21x2×1Solution 21x2 Show Solution Find the roots x=0 Evaluate 21(x2×1)To find the roots of the expression,set the expression equal to 0 21(x2×1)=0Any expression multiplied by 1 remains the same 21x2=0Rewrite the expression x2=0Solution x=0 Show Solution
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