Respuesta :

Answer:

a   x^2+8x

b   12x-30x^2

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a  3 ( 7 a + 8 b )

b 6 ( 2 a + 3 b )

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9 x ^2 + 2 x

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x=7/2 fraction

x=3.5 decimal

x=3 1/2 mixed number

ı hope ıt will help you

Step-by-step explanation: