Question

Add
4 x2 + 5x-7
with 3x + 7x2 -5​

Answer 1

Step-by-step explanation:

so your answer is 11x^2 + 8x -12

Answer 2

$\huge\bf\underline\red{ANSWER}$

4x² + 5x - 7---->1

3x + 7x² - 5 ---->2

Add equation 2 to 1

(4x² + 5x - 7) + (3x + 7x² - 5)

4x² + 5x - 7 + 3x + 7x² - 5

4x² + 7x² + 5x + 3x - 5 - 7

11x² + 8x - 12 => $\bf\underline{ANSWER}$