Find the product of (5x + 4y)(8x − 2y)
I am very bad at math, and I can't figure this out. Please help.
Foil
40x^2-10xy+32xy-8y^2
40x^2+22xy-8y^2
(5x + 4y)(8x − 2y) =
40x²-10xy+32xy-8y² =
40x²+22y-8y² =
2*(20x²+11y-4y²)
:-)
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Answers & Comments
Foil
40x^2-10xy+32xy-8y^2
40x^2+22xy-8y^2
(5x + 4y)(8x − 2y) =
40x²-10xy+32xy-8y² =
40x²+22y-8y² =
2*(20x²+11y-4y²)
:-)