please help and make sure all the answers and work is right

Algebra
Tutor: None Selected Time limit: 1 Day

May 14th, 2015

1) trinomial has 3 terms

2) the constant 3 is obtained by multiplying the factors (x+3)*(x+1)

3) the polynomial can be written as x^2+3x+x+3

hence the coefficient 4 is obtained by adding 3x to x

May 14th, 2015

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May 14th, 2015
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May 14th, 2015
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