adjeipriscilla068 adjeipriscilla068

23-06-2022
Mathematics

contestada

For all a and b, what is the sum of (a-b)² and (a+b)²

Respuesta :

jimrgrant1 jimrgrant1

23-06-2022

Answer:

2a² + 2b²

Step-by-step explanation:

(a - b)² + (a + b)² ← expand both factors using FOIL

= a² - 2ab + b² + a² + 2ab + b² ← collect like terms

= 2a² + 2b²

Answer Link

roychacko45 roychacko45

23-06-2022

Step-by-step explanation:

Expand both classic quadratics and combine like terms to find the sum:

(a−b)2+(a+b)2

Answer Link

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