Answer: -3x² + 3x option A
Step-by-step explanation:
Given expression is : -7x² + 5x + 4x² - 2x
In order to simplify the given expression, we need to combine the like terms first.
Like terms are terms that contain the same variables raised to the same power. Only the numerical coefficients are different.
In an expression, only like terms can be combined.
Here -7x² & 4x² and 5x & -2x are like terms
= -7x² + 4x² + 5x - 2x
= -3x² + 3x option A