Simplify (4х + 5y) (2x – Зу) + Зху

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Agasthyan · Answer 1 · 2021-12-19T02:34:53+0000

Answer:

8x²-15y²+xy

Explanation:

We need to use FOIL for this:

First

Outer

Inner

Last

(4x+5y)(2x-3y)+3xy=

8x²-12xy+10xy-15y²+3xy=

8x²-15y²+xy