Question Factor the expression (r+10)2 Evaluate r2+20r+100Solution (r+10)2 Show Solution Find the roots r=−10 Evaluate r2+20r+100To find the roots of the expression,set the expression equal to 0 r2+20r+100=0Use a2+2ab+b2=(a+b)2 to factor the expression (r+10)2=0Simplify the expression r+10=0Move the constant to the right-hand side and change its sign r=0−10Solution r=−10 Show Solution
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