Question Factor the expression −21(x+26) Evaluate −21x−13Solution −21(x+26) Show Solution Find the roots x=−26 Evaluate −21x−13To find the roots of the expression,set the expression equal to 0 −21x−13=0Move the constant to the right-hand side and change its sign −21x=0+13Removing 0 doesn't change the value,so remove it from the expression −21x=13Change the signs on both sides of the equation 21x=−13Multiply by the reciprocal 21x×2=−13×2Multiply x=−13×2Solution x=−26 Show Solution
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