Aalove33 Aalove33

05-08-2018
Mathematics

contestada

what is the product of (3a+2)(4a^2-2a+9)

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mkryukova19 mkryukova19

05-08-2018

(3a+2)(4a²-2a+9)= 3a*4a² + 3a*(-2a)+3a*9 +2*4a² +2*(-2a)+2*9 =

= 12a³ - 6a² +27a + 8a² - 4a +18 = 12a³ + 2a² +23a +18

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