Câu hỏi Simplify the expression −m−2 Evaluate m−2m−2Giải pháp Thêm Bước Evaluate m−2mCollect like terms by calculating the sum or difference of their coefficients (1−2)mSubtract the numbers −m −m−2 Hiển thị giải pháp Find the roots m=−2 Evaluate m−2m−2To find the roots of the expression,set the expression equal to 0 m−2m−2=0Subtract the terms Thêm Bước Simplify m−2mCollect like terms by calculating the sum or difference of their coefficients (1−2)mSubtract the numbers −m −m−2=0Move the constant to the right-hand side and change its sign −m=0+2Removing 0 doesn't change the value,so remove it from the expression −m=2Giải pháp m=−2 Hiển thị giải pháp