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
Explanation: