Question

expand:(3a-5b)power 2​

Answer 1

Answer:

we know (a-b)^2 = a^2 +b^2 -2ab

here, a = 30 , b = 5b

so (3a-5b)^2 = 9a^2 + 25b^2 - 30ab

Answer 2

Answer:

(3a-5b)^2=9a^2- 30ab + 25b^2

Step-by-step explanation:

(3a-5b)^2

(3a)^2 -(2*3a*5b) + (5b)^2

9a^2- 30ab + 25b^2

Mark me the brainliest