Sanjay48 Sanjay48

13-12-2016
Mathematics

contestada

I got this wrong on a test. Please explain.
(4p-2)(-3p+7)

I got this wrong on a test Please explain4p23p7 class=

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jkwon23 jkwon23

13-12-2016

[tex](4p-2)(-3p+7)[/tex]
[tex]4p*(-3p)+4p*7+(-2)*(-3p)+(-2*7) [/tex]
[tex]-12p^2+28p+6p-14 [/tex]
[tex]-12p^2+34p-14[/tex]

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Mcawesom Mcawesom

13-12-2016

(4p -2)(-3p + 7)
expand the brackets
(4p x -3p) + (4p x 7) + (-2 x -3p) + (-2 x 7)
-12p^2 + 28p + 6p + (-14)
-12p^2 + 34p - 14.

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