lizbethsagrero23 lizbethsagrero23

13-12-2020
Mathematics

contestada

Expand and combine like terms.
(4 + 7a²)2 =

Respuesta :

bubiskool21 bubiskool21

13-12-2020

Answer:

Step-by-step explanation:

2(4+7a^2)

=8+14a^2

=7a^2+4

OR if that 2 is an exponent

(4+7a^2)^2

=(4+7a^2)(4+7a^2)

=16+49a^4+28a^2+28a^2

=49a^4+56a^2+16

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