The expression \((+7x) * (-4y)\) can be simplified by multiplying the numerical coefficients and combining the variables.

\[
(+7x) * (-4y) = -28xy
\]

The product is \(-28xy\).

Would you like more details or have any questions?

Here are 5 related questions for you:
1. How do you simplify expressions with more than two variables?
2. What happens when multiplying terms with the same variables?
3. How do you factor algebraic expressions?
4. Can you multiply two binomials using the distributive property?
5. How do you handle exponents when multiplying terms?

**Tip:** When multiplying terms with coefficients, always remember to multiply the signs first (+ or -), and then proceed with the variables.

Learn how to simplify the algebraic expression (+7x) * (-4y). This problem involves multiplying coefficients and combining variables, resulting in -28xy. Suitable for students in Grades 6-8, covering algebraic simplification and signed number multiplication.

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