Question

If x = 16 and y = 625 Find (2sqrt(x + y)) ^ 2

Please be fast :)

Answer 1

Answer:

Step-by-step explanation:

$2\sqrt{(x + y)^{2}}=2*\sqrt{(16 +625)^{2}}=2*\sqrt{641^{2}}=2*641 = 1282$

Answer 2

Answer:

400689

Step-by-step explanation:

(2√x+y)²

(2√16+625)²

(2.4+625)

(8+625)²

(633)²

400689

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