 7��2+ 6���� − 5��2 − 3���� = 


The equation you've written seems to use the letter "��" as a placeholder for a variable. I'll assume it's the same variable throughout the equation and replace it with "x". So the equation becomes:

\[ 7x^2 + 6x - 5x^2 - 3x \]

Let's simplify this:

1. Combine like terms:
   \[
   (7x^2 - 5x^2) + (6x - 3x)
   \]

2. Simplify further:
   \[
   2x^2 + 3x
   \]

So, the simplified expression is:

\[
2x^2 + 3x
\]

Would you like more details or have any questions? 

Here are 5 related questions:
1. How do you factor quadratic expressions like \(2x^2 + 3x\)?
2. What are the common methods to solve quadratic equations?
3. How do you identify the degree of a polynomial?
4. What is the difference between a monomial, binomial, and polynomial?
5. How can you graph the equation \(y = 2x^2 + 3x\)?

**Tip:** Always combine like terms to simplify algebraic expressions before proceeding with further calculations or solving equations.

Learn how to simplify and solve the equation 7x^2 + 6x - 5x^2 - 3x step-by-step. This problem covers algebraic concepts such as combining like terms and simplifying expressions. Suitable for students in Grades 7-9.

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