Hi there,
Question is find all values for "a " so that a following equation has zero for x = -6 , and than solve that equation. Equation is here http://www.docdroid.net/eh5p/ask-math.docx.html .
and here is my work so far , I am stuck here
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
Question is find all values for "a " so that a following equation has zero for x = -6 , and than solve that equation. Equation is here http://www.docdroid.net/eh5p/ask-math.docx.html .
and here is my work so far , I am stuck here
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