Multiply (5c + 3)(7c-1)

To multiply (5c + 3)(7c-1), we can use the distributive property. We need to multiply each term in the first expression, 5c and 3, by each term in the second expression, 7c and -1.

(5c + 3)(7c-1)
= 5c * 7c + 5c * (-1) + 3 * 7c + 3 * (-1)

Now, multiply each term:

35c^2 - 5c + 21c - 3

Combine like terms:

35c^2 + 16c - 3

So, (5c + 3)(7c-1) simplifies to 35c^2 + 16c - 3.