kenna171 kenna171

10-04-2019
Mathematics

contestada

Which of the following expressions is equivalent to a^3 + b^3?

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jimrgrant1 jimrgrant1

10-04-2019

Answer:

(a + b)(a² - ab + b²)

Step-by-step explanation:

a³ + b³ ← is a sum of cubes and factorises as

a³ + b³ = (a + b)(a² - ab + b²) ← equivalent expression

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