Question

(3x + 4y + (3 x - 4y
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Answer 1

Answer:

9 x square - 24 xy - 12y square= answer is this.

Step-by-step explanation:

=3x ( 3 x - 4 y ) + 4y ( 3x - 4y )

=3X × 3X - 3X × 4y +4y × 3x - 4y × 4y

=9 x square - 12xy + 12xy - 16 y square .

=

9 x square - 24 xy - 12y square.