Question

Add : (4x - 3y) (16x + 9y + 12xy) and (5x +3y) (25x + 9y -15xy)

Answer 1

Answer:

$(4x - 3y)(16x + 9y + 12xy) + (5x + 3y)(2x + 9y - 15xy) \\ \\ 64x {}^{2} + 36xy + 48x {}^{2} y - 48xy - 27y {}^{2} - 36xy {}^{2} + 10x {}^{2} + 45xy - 75x {}^{2} y + 6xy + 27y {}^{2} - 45xy {}^{2} \\ \\ 74x {}^{2} + 39xy - 27x {}^{2} y + 9xy {}^{2}$

Step-by-step explanation:

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