Question

Find the product : ( y² - 5)(y² +7)

Answer 1

$( {y}^{2} - 5)( {y}^{2} + 7) \\ {y}^{2} ( {y}^{2} + 7) - 5( {y}^{2} + 7) \\ {y}^{4} + 7 {y}^{2} - 5 {y}^{2} - 35 \\ {y}^{4} + 2 {y}^{2} - 35$

pls mark my answer brainlist

Answer 2

plz mark it brainliest