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Initial Knowledge Check Multiply. (5x+2y)(8x-3y) Simplify your answer.

User Cup
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Answer: So, the simplified expression for (5x + 2y)(8x - 3y) is 40x^2 + xy - 6y^2.

Explanation:

To multiply the expressions (5x + 2y)(8x - 3y), you can use the distributive property, also known as the FOIL method (First, Outer, Inner, Last). Here's how you do it:

(5x + 2y)(8x - 3y)

First, multiply the first terms in each parentheses:

(5x) * (8x) = 40x^2

Next, multiply the outer terms:

(5x) * (-3y) = -15xy

Then, multiply the inner terms:

(2y) * (8x) = 16xy

Finally, multiply the last terms:

(2y) * (-3y) = -6y^2

Now, combine all these results:

40x^2 - 15xy + 16xy - 6y^2

Combine like terms (the middle two terms):

40x^2 + (16xy - 15xy) - 6y^2

40x^2 + xy - 6y^2

So, the simplified expression for (5x + 2y)(8x - 3y) is 40x^2 + xy - 6y^2.

User Madhukar
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