Question

Find factors of 81p² - 126p +49q²​

Answer 1

Answer:

(9p-7q)(9p-7q)

Step-by-step explanation:

81p^2-126p+49q^2= (9p)^2-2(9p)(7q)+ (7q)^2

this is in the form of a^2-2ab+b^2=(a-b)^2

so the answer is (9p-7q)^2= (9p-7q)(9p-7q)