Question

(3x+2y). (3x+2y)
(3x+3y).(2y+2y)= ?

Answer 1

(3x+2y). (3x+2y).(3x+3y).(2y+2y) = ?

= (3x +2y)².(3x+3y).(2y+2y)

= (9x² + 12xy + 4y²).3(x+y).4y = (9x² + 12xy + 4y²). (12xy + 12y²)

= (9x² + 12xy + 4y²). (12xy + 12y²)

= 108x³y + 108x²y² + 144x²y² + 144xy³ + 48xy³ + 48y^4

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06/10/2016
Sepauto 
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