Question Simplify the expression −42m Evaluate −3(2m×7)Remove the parentheses −3×2m×7Solution More Steps Evaluate 3×2×7Multiply the terms 6×7Multiply the numbers 42 −42m Show Solution Find the roots m=0 Evaluate −3(2m×7)To find the roots of the expression,set the expression equal to 0 −3(2m×7)=0Multiply the terms −3×14m=0Multiply the numbers −42m=0Change the signs on both sides of the equation 42m=0Solution m=0 Show Solution