Math, asked by srushti38, 8 months ago

Expand (3x + 4y) (3x+5y)

Answers

Answered by DevyaniKhushi

3

$(3x + 4y) (3x+5y) \\ 3x(3x+5y) +4y( 3x+5y) \\ 9x^2 + 15xy + 12xy + 20y^2 \\ \bf\pink{9x^2 + 27xy + 20y^2}$

Answered by dulaldoley2004

2

Answer:

9x.x+27x.y+20y.y

Step-by-step explanation:

(3x+4y)(3x+5y)

=3x.3x +3x.5y+4y.3x +4y.5y

=9x.x+15x.y+12y.x+20y.y

=9x.x+15xy+12xy+20y.y

=9x.x+27xy+20y.y

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