A = a ^ 2 + B ^ 2-C ^ 2, B = - 4A ^ 2 + 2B ^ 2 + 3C ^ 2, and a + B + C = 0 Find: 1, polynomial C 2, if a = 1, B = - 1, C = 3, find the value of a + B

A = a ^ 2 + B ^ 2-C ^ 2, B = - 4A ^ 2 + 2B ^ 2 + 3C ^ 2, and a + B + C = 0 Find: 1, polynomial C 2, if a = 1, B = - 1, C = 3, find the value of a + B

C=-A-B
=-a²-b²+c²+4a²-2b²-3c²
=3a²-3b²-2c²
A+B
=-C
=-3a²+3b²+2c²
=-3+3+18
=18

Elden Ring Premiere

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