azik2000 azik2000

16-03-2016
Mathematics

contestada

expand and simplify (p+9)(p-4)

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olemakpadu olemakpadu

16-03-2016

(p + 9)(p-4)

p(p -4) + 9(p -4)

p*p - 4*p + 9*p +9*-4

p² - 4p + 9p - 36

p² + 9p -4p - 36

p² +5p - 36

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taylorheart taylorheart

16-03-2016

(p + 9)(p - 4) = FOIL: p^2 - 4p + 9p - 36 = p^2 + 5p - 36 - .--

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