Question

Q9. The product of (x + 3)(x - 3)(x2 + 9) is equal to
a) ** -9
b) ** + 27
c) *° - 81
d) ** + 81
Q10. a? - b2 is equals to
a) (a + b)(a + b)
b) (a + b)(a - b)
c) (a - b)(a - b)
d) 2(a + b)
011. if 36x = 782 – 422 then x is equals to
a) 120
b) 72
c) 240
d) 360​

Answer 1

Answer:

11 question have wrong options.

Step-by-step explanation:

9 a

10 b

11 10