Question

30. (2x + 5y)(3x + 4y) - (7x + 3y)(2x + y)
+4).

please give me Answer
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Answer 1

Answer:

YOUR ANSWER

Step-by-step explanation:

2x( 3x+ 4y) + 5y ( 3x+ 4y) - 7x( 2x+ y) + 3y( 2x+y) + 4

6x^2 + 8xy + 15xy+ 20y^2 -14 x^2 -7xy +6xy+ 3y^2 + 4

6x^ 2 + 23 xy + 20 y^2 - 14x^2 -1xy + 3y^2 +4

6x^2-14x^2 +23xy - xy +20y^2 +3y^2 + 4

8 x^2 + 22xy +23y^2 +4

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Answer 2

Answer:

Step-by-step explanation:

=>2x( 3x+ 4y) + 5y ( 3x+ 4y) -  7x( 2x+ y) + 3y( 2x+y) + 4

=>6x^2 + 8xy +  15xy+ 20y^2 -14 x^2 -7xy +6 xy+ 3y^2 + 4

=>6x^ 2 + 23 xy + 20 y^2 -  14x^2 -1xy +  3y^2 +4

=>6x^2-14x^2 +23xy - x y +20y^2 +3y ^2 + 4

ans:-8 x^2  + 22xy +23y^2 +4

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