Question

subtract:
-432 from the sum of 263 and -346​

Answer 1

Answer:

We will make use of the following identities to solve the question :

(a+b)2+(a−b)2=2(a2+b2)⟶(1)

(a+b)3+(a−b)3=2a(a2+3b2)⟶(2)

Now, given x=25−21

∴   x1=5−212=(5−21)(5+21)2(5+21)=42(5+21)

⇒x1=25+21

Now, x+x

Answer 2

Step-by-step explanation:

263+(-346)

263-346

-83

now subtract -432 from -83

-83-(-432)

-83+432

349

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