Question

$sum of x - 3 and 12x + 2x$
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Answer 1

Answer:let roots are a,b,3(a+b)

sum of roots −(−12)

4(a+b)=12

a+b=3

product=−(−18)

3ab(a+b)=+18

ab=+2

sum of two at=k

ab+3a(a+b)+3b(a+b)=k

k=2+9a+9b

k=9×3+2

k=29

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