Question Simplify the expression t2+8t+16 Evaluate (t+4)2Use (a+b)2=a2+2ab+b2 to expand the expression t2+2t×4+42Solution t2+8t+16 Show Solution Find the roots t=−4 Evaluate (t+4)2To find the roots of the expression,set the expression equal to 0 (t+4)2=0The only way a power can be 0 is when the base equals 0 t+4=0Move the constant to the right-hand side and change its sign t=0−4Solution t=−4 Show Solution
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