Question

(7x²-5x+3)-(5x²-4)Help me​

Answer 1

а)(7x²-5x+3)-(5x²-4)

7x²-5x+3-5x²+4=2x²-5x+7

Answer 2

Ответ:

2х²-5х+7

Объяснение:

(7x²-5x+3)-(5x²-4)=7x²-5x+3-5x²+4=2х²-5х+7

Answer 3

To simplify the expression (7x² - 5x + 3) - (5x² - 4), you can distribute the negative sign to both terms inside the parentheses and then combine like terms:

(7x² - 5x + 3) - (5x² - 4)

First, distribute the negative sign:

7x² - 5x + 3 - 5x² + 4

Now, combine like terms:

(7x² - 5x²) + (-5x + 4) + 3

Combine the x² terms:

(7x² - 5x²) simplifies to 2x²:

2x² + (-5x + 4) + 3

Now, combine the constants and the linear term:

(-5x + 4) + 3 simplifies to (-5x + 7):

2x² - 5x + 7

So, the simplified expression is:

2x² - 5x + 7