Lukarrain Lukarrain

01-01-2020
Mathematics

contestada

What is the value of the expression when a = –4 and b = 5? (a + 2b)^(3) + 3a^(2)
1. 264
2. -348
3. -952
4. 168

Respuesta :

texaschic101 texaschic101

01-01-2020

Answer:

Step-by-step explanation:

(a + 2b)^3 + (3a)^2

a = -4 : b = 5

now sub

(-4 + 2(5))^3 + 3(-4^2)

(-4 + 10)^3 + 3(16)

6^3 + 48

216 + 48

264 <======

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