Question Simplify the expression x3+12x2+48x+64 Evaluate (x+4)3Use (a+b)3=a3+3a2b+3ab2+b3 to expand the expression x3+3x2×4+3x×42+43Solution x3+12x2+48x+64 Show Solution Find the roots x=−4 Evaluate (x+4)3To find the roots of the expression,set the expression equal to 0 (x+4)3=0The only way a power can be 0 is when the base equals 0 x+4=0Move the constant to the right-hand side and change its sign x=0−4Solution x=−4 Show Solution
Algebra
Calculus
Trigonometry
Matrix Algebra Calculus Trigonometry Matrix