Question

factorise 39y³(50y²-98)÷26y(5y+7) and simplify ​

Answer 1

Answer:

Step-by-step explanation:

39y  

3

(50y  

2

−98)÷26y  

2

(5y+7)

=  

26y  

2

(5y+7)

39y  

3

(50y  

2

−98)

​  

 

=  

26y  

2

(5y+7)

39y  

3

(5×5×2y  

2

−7×7×2)

​  

 

=  

26y  

2

(5y+7)

39y  

3

×2(5y)  

2

−(7)  

2

 

​  

 

=  

26y  

2

(5y+7)

39y  

3

×2(5y+7)(5y−7)

​  

 

=3y(5y−7)