Question Simplify the expression Solution 1+2x+x21 Evaluate (1+x)−2Express with a positive exponent using a−n=an1 (1+x)21Solution More Steps Evaluate (1+x)2Use (a+b)2=a2+2ab+b2 to expand the expression 12+2×1×x+x2Calculate 1+2x+x2 1+2x+x21 Show Solution Find the roots Find the roots of the algebra expression x∈∅ Evaluate (1+x)−2To find the roots of the expression,set the expression equal to 0 (1+x)−2=0Find the domain More Steps Evaluate 1+x=0Move the constant to the right side x=0−1Removing 0 doesn't change the value,so remove it from the expression x=−1 (1+x)−2=0,x=−1Calculate (1+x)−2=0Rewrite the expression (1+x)21=0Cross multiply 1=(1+x)2×0Simplify the equation 1=0Solution x∈∅ Show Solution