How do you factor 8w2−18w+9?
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Answer:
Step-by-step explanation:
Let, y=8(w−p)(w−q)...(i)
Converted y'=w2−18w+72=(w - p')(w - q')
Factor pairs of (-72) --> ...(4, 18)(6, 12).
The sum is 18 = -b.
Therefore, p' = -6 and q' = -12.
Substituting to equation (i): p=p'/a=−6/8=−4/3 and q=−12/8=−3/2.
The factored form becomes: y=8(w−3/4)(w−3/2)=(4w−3)(2w−3)
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Step-by-step explanation:
Characteristics of cork are as follow
Cells of cork are dead, compactly arranged and have no intercellular spaces. It forms bark of the tree, which is several layers thick. ... Cork is formed by secondary Lateral Meristem called cork cambium. The mature cork becomes dead and filled with tannin, resin.
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