Question

4. Reducir: T = (a + 3b)2 + 2(3a + b) (3b + a) + (b + 3a)2 - (4a - 4b)2

Answer 1

T = (a + 3b)2 + 2(3a + b) (3b + a) + (b + 3a)2 - (4a - 4b)2=
2a+6b+2(9ab+3a²+3b²+ab)+2b+6a-8a+8b=
2a+6b+18ab+6a²+6b²+2ab+2b+6a-8a+8b=
= 6a²+6b²++16b+20ab

Answer 2

Respuesta:

Explicación paso a paso:

1.Reducir:

M = -3.(b - 4.a) + 2.(5.a + 3b) – (b + 2.a)

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