Question

(9p-6q)² what's expansion​

Answer 1

Answer:

$9p ^{2} - 6q^{2}$

Answer 2

Answer:

Hope it helps!! Mark this answer as brainliest if u found it useful and follow me for quick and accurate answers...

Step-by-step explanation:

$(x - y) {}^{2} = {x}^{2} + {y}^{2} - 2xy \\ \\ applying \: \: same \: \: identity \: \: here \\ \\ (9p-6q) {}^{2} = (9p) {}^{2} + (6q) {}^{2} - 2(9p)(6q) \\ \\ = 81p {}^{2} + 36q {}^{2} - 108pq$