Question Factor the expression (x+7)2 Evaluate x2+14x+49Solution (x+7)2 Show Solution Find the roots x=−7 Evaluate x2+14x+49To find the roots of the expression,set the expression equal to 0 x2+14x+49=0Use a2+2ab+b2=(a+b)2 to factor the expression (x+7)2=0Simplify the expression x+7=0Move the constant to the right-hand side and change its sign x=0−7Solution x=−7 Show Solution
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