What is (sqrt(7)+sqrt(3))^2+(sqrt(7)-sqrt(3))^2 ?

The solution to (sqrt(7)+sqrt(3))^2+(sqrt(7)-sqrt(3))^2 is 20

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simplify (sqrt(7)+sqrt(3))^2+(sqrt(7)-sqrt(3))^2

simplify

(7 + 3)^{2} + (7 - 3)^{2}

20

Solution steps

(7 + 3)^{2} + (7 - 3)^{2}

(7 + 3)^{2} = 10 + 221

(7 - 3)^{2} = 10 - 221

= 10 + 221 + 10 - 221

Add similar elements:

221 - 221 = 0

= 10 + 10

Add the numbers:

10 + 10 = 20

= 20

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(5 a + 10 b) (5 a - 10 b)

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What is (sqrt(7)+sqrt(3))^2+(sqrt(7)-sqrt(3))^2 ?
The solution to (sqrt(7)+sqrt(3))^2+(sqrt(7)-sqrt(3))^2 is 20