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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