Question

please help me out,needed step by step explaination compulsory ,hurry up ,time is going out ​

Answer 1

i ) 15x²y³ - 20x³y

solution

5 ( 3x²y³ - 4x³y )

x²y ( 3y² - 4x )

5x²y ( 3y² - 4x )

ii ) 2b ( 2a + b ) - 3c ( 2a + b )

answer : 4a² + 2ab - 6ac - 3bc

iii ) 3a²b + 12a² - 9b + 36

answer : 3 ( a² + 4a² - 3b + 12 )

hope helpful for you