Question

(5x²+6x³)+(x³-x²)-(-2x³+4x²)​

Answer 1

(5x²+6x³)+(x³-x²)-(-2x³+4x²)​=5x²+6x³+x³-x²+2x³-4x²=9x³

Answer 2

To simplify the expression (5x² + 6x³) + (x³ - x²) - (-2x³ + 4x²), you can start by combining like terms.

First, let's add the like terms within each parenthesis:

(5x² + 6x³) = 6x³ + 5x² (x³ - x²) (-2x³ + 4x²) = -2x³ + 4x²

Now, you can combine all the like terms:

(6x³ + 5x²) + (x³ - x²) - (-2x³ + 4x²)

Now, let's simplify further by adding and subtracting the like terms:

6x³ + x³ = 7x³ 5x² - x² = 4x² 4x² + 4x² = 8x²

So, the simplified expression is:

7x³ + 8x²