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Multiply (x + 3y + 5) by (2x2 + 5y + 2)...

Multiply (x + 3y + 5) by (2x2 + 5y + 2)

A.

2x2 + 3yx2 + 10xy + 15y2 + 13y + 10x2 + 2x + 10

B.

2x3 + 6yx2 + 5xy + 15y2 + 31y + 5x2 + 2x + 10

C.

2x3 + 6xy2 + 5xy + 15y2 + 12y + 10x2 + 2x = 10

D.

2x2 + 6xy2 + 5xy + 15y2 + 13y + 10x2 + 2x + 10

E.

2x3 + 2yx2 + 10xy + 10y2 + 31y + 5x2 + 10

Correct answer is B

(x+3y+5)(2x2+5y+2)

= 2x3+5xy+2x+6yx2+15y2+6y+10x2+25y+10

= 2x3+5xy+2x+6yx2+15y2+31y+10x2+10