Question

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Answer 1

Answer:

answer is 4 hope this helps you

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Answer 2

Answer: 4

(a + b)² = a² + 2ab + b²

(a + b)² = a² + b² + 2ab

(a + b)² - 2ab = a² + b²

Now that we know have simplified a² + b², we can substitute the values

a² + b² = (a + b)² - 2ab

10 = (a + b)² - 2(3)

10 = (a + b)² - 6

(a + b)² = 10 + 6

(a + b)² = 16

a + b = √16

a + b = 4