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KiRa [710]
3 years ago
6

2. Resolve into factors.a) 8x3 + y3​

Mathematics
1 answer:
Phantasy [73]3 years ago
5 0

Answer:

(2x + y)(4x² - 2xy + y²)

Step-by-step explanation:

8x³ + y³ ← is a sum of cubes and factors in general as

a³ + b³ = (a + b)(a² - ab + b²) , then

8x³ + y³

= (2x)³ + y³

= (2x + y)((2x)² - 2xy + y²) , that is

(2x + y)(4x² - 2xy + y²)

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