Question

factories x²- 13x+36​

Answer 1

Answer:

x ^2 + 13 x + 36 =  (x - p)(x - q).

Find p, and q, knowing sum = b = 13 and product c = 36. Compose factor pairs of 36-> (2, 18)(2, 12)(4, 9). this last sum is 9 = b. Then p = 4 and q = 9

y = (x + 4)(x + 9)