Saved Bookmarks
| 1. |
P²+7p-18 factorise it |
|
Answer» p² + 7p - 18=0 Solving, we GET, → p² + 7p - 18=0 Sum of zeroes = 7 Product of Zeroes = -18 Suitable numbers : -2 and 9 → p² - 2p + 9p - 18 = 0 → p(p-2) + 9(p-2) = 0 → (p+9)(p+2) = 0 Therefore, (p+9)(p+2) is the factorised EXPRESSION
|
|