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15-05-2020
Mathematics

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What is the product of (-a + 3)(a + 4)?

Respuesta :

marcthemathtutor marcthemathtutor

15-05-2020

Answer:

a² - a + 12

Step-by-step explanation:

(see attached)

using the Foil Method :

(-a + 3)(a + 4)

= (-a)(a) + (-a)(4) + (3)(a) + (3)(4)

= -a² - 4a + 3a + 12

= -a² - a + 12

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