Question

Factorise a square minus 9 b square minus 12 b - 4

Answer 1

Please mark as brainliest

Answer:

a²-9b²-12b-4=0(let); if a and b are zeroes

Step-by-step explanation:

a²-4-9b²-12b=0

(a)²–(2)²–3b(3b–4)=0

(a+2)(a–2)(–3b)(3b–4)=0

Thus,

a+2=0; a-2=0 ; (-3b)=0; 3b-4=0

a=-2 or a=2 and, b=0 or b=4/3

Answer 2

0006478£9928@65@5#4#44#5£66_7_8_9_