Question Solve the quadratic equation Solve by factoring Solve using the quadratic formula Solve by completing the square Load more x=−4 Evaluate x2+8x+16=0Use a2+2ab+b2=(a+b)2 to factor the expression (x+4)2=0Simplify the expression x+4=0Move the constant to the right-hand side and change its sign x=0−4Solution x=−4 Show Solution Graph