Question

factorise X square + X - 72​

Answer 1

Answer:

first take factors of 72

so 72 = 2 ×2×2×3×3

so we came to know that there is pair whose subtraction is 1 and product is 72

8 & 9

then split middle term

x^2+9x-8x-72

X(x+9)-8(x+9)

so factors are (x+9) and (x-8)

Answer 2

Answer:

ur answer to the question is

(x+9) (x-8)