Question Simplify the expression 21x2 Evaluate 21(x×1)2Solution 21x2 Show Solution Find the roots x=0 Evaluate 21(x×1)2To find the roots of the expression,set the expression equal to 0 21(x×1)2=0Any expression multiplied by 1 remains the same 21x2=0Rewrite the expression x2=0Solution x=0 Show Solution