catterine catterine

12-02-2017
Mathematics

Answered

Find the product of (2a -7 )(a -4)

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boomitstaylorr boomitstaylorr

12-02-2017

(2s-7)(a-4)
2a^2 -2a -7a-11
2a^2 -9a-11 <- ??

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SuperExtra0418 SuperExtra0418

12-02-2017

2a a + 2a -4 - 7 a - 7 -4 Use the FOIL method
2a^2 - 8a - 7a + 28 Combine like terms
2a^2 - 15a + 28

Hope this helps

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