Question Simplify the expression Solution −2r Evaluate 2×−1rDivide the terms 2(−r)Solution −2r Show Solution Find the roots Find the roots of the algebra expression r=0 Evaluate (2×−1r)To find the roots of the expression,set the expression equal to 0 2×−1r=0Divide the terms 2(−r)=0Multiply the numbers −2r=0Change the signs on both sides of the equation 2r=0Solution r=0 Show Solution