Question Simplify the expression Solution 1+2x+x2 Evaluate (1+x)2Use (a+b)2=a2+2ab+b2 to expand the expression 12+2×1×x+x2Solution 1+2x+x2 Show Solution Find the roots Find the roots of the algebra expression x=−1 Evaluate (1+x)2To find the roots of the expression,set the expression equal to 0 (1+x)2=0The only way a power can be 0 is when the base equals 0 1+x=0Move the constant to the right-hand side and change its sign x=0−1Solution x=−1 Show Solution