3 years ago

(01.06 LC) Expand and simplify: (2x + 5y) (x - 3y) (5 points)

Mathematics

1 answer:

laiz [17]3 years ago

4 0

Answer:

2x² - xy - 15y²

Step-by-step explanation:

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

Each term in the second factor is multiplied by each term in the first factor, that is

2x(x - 3y) + 5y(x - 3y) ← distribute parenthesis

= 2x² - 6xy + 5xy - 15y² ← collect like terms

= 2x² - xy - 15y²

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