Question

factories x square -x - 1640​

Answer 1

Step-by-step explanation:

x² - x - 1640

2 | 1640

2 | 820

2 | 410

5 | 205

41 | 41

| 1

40 × 41 = 1640

x² - 41x + 40x - 1640 = 0

x(x - 41) + 40(x - 41) = 0

(x - 41)(x + 40) = 0