Question

3 - Simplifique as expressões algébricas abaixo: a) X . (X-4) +3X.(2 +X) b) Y . (Y+5) + 2Y (3 + Y)

Answer 1

Resposta:

a) X . (X-4) +3X.(2 +X) =X²-4X+6X+3X²=4X²+2X

b) Y . (Y+5) + 2Y (3 + Y)=Y²+5Y+6Y+2Y²=3Y²+11Y

Espero ter ajudado.

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