Question Simplify the expression 21x2 Evaluate (x×3)(x×7)Remove the parentheses x×3x×7Multiply the terms x2×3×7Multiply the terms x2×21Solution 21x2 Show Solution Find the roots x=0 Evaluate (x×3)(x×7)To find the roots of the expression,set the expression equal to 0 (x×3)(x×7)=0Use the commutative property to reorder the terms 3x(x×7)=0Use the commutative property to reorder the terms 3x×7x=0Multiply the terms More Steps Evaluate 3x×7xMultiply the numbers 21x×xMultiply the terms 21x2 21x2=0Rewrite the expression x2=0Solution x=0 Show Solution