Question

Anyone know the answer to this^??

Answer 1

a = x and b = 5

Explanation:

Given

a² + 2ab + b² = (a + b)², then compare

x² + 10x + 25 to it

b² = 25 ⇒ b =
`√(25)` = 5

a² = x² ⇒ a = x

and 2ab = 2 × x × 5 = 10x, thus

x² + 10x + 25 = (x + 5)²