Question Factor the expression −21(x+1) Evaluate −21x−21Solution −21(x+1) Show Solution Find the roots x=−1 Evaluate −21x−21To find the roots of the expression,set the expression equal to 0 −21x−21=0Move the constant to the right-hand side and change its sign −21x=0+21Add the terms −21x=21Change the signs on both sides of the equation 21x=−21Multiply by the reciprocal 21x×2=−21×2Multiply x=−21×2Solution More Steps Evaluate −21×2Reduce the numbers −1×1Simplify −1 x=−1 Show Solution
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