Question Simplify the expression 7x2−21x Evaluate (x×7)(x−3)Remove the parentheses x×7(x−3)Use the commutative property to reorder the terms 7x(x−3)Apply the distributive property 7x×x−7x×3Multiply the terms 7x2−7x×3Solution 7x2−21x Show Solution Find the roots x1=0,x2=3 Evaluate (x×7)(x−3)To find the roots of the expression,set the expression equal to 0 (x×7)(x−3)=0Use the commutative property to reorder the terms 7x(x−3)=0Elimination the left coefficient x(x−3)=0Separate the equation into 2 possible cases x=0x−3=0Solve the equation More Steps Evaluate x−3=0Move the constant to the right-hand side and change its sign x=0+3Removing 0 doesn't change the value,so remove it from the expression x=3 x=0x=3Solution x1=0,x2=3 Show Solution
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