Question

what must be be subtracted from y³2y²-3y + 7 to get y³ + y²-17?​

Answer 1

Step-by-step explanation:

Let m should be subtracted from x

2

−xy+y

2

−x+y+3 to obtain −x

2

+3y

2

−4xy+1

x

2

−xy+y

2

−x+y+3−m=−x

2

+3y

2

−4xy+1

m=x

2

−xy+y

2

−x+y+3+x

2

−3y

2

+4xy−1

m=2x

2

−2y

2

+3xy−x+y+2

Answer 2

Answer:

Step-by-step explanation:

Let m should be subtracted from x  

2

−xy+y  

2

−x+y+3  to obtain −x  

2

+3y  

2

−4xy+1

x  

2

−xy+y  

2

−x+y+3−m=−x  

2

+3y  

2

−4xy+1

m=x  

2

−xy+y  

2

−x+y+3+x  

2

−3y  

2

+4xy−1

m=2x  

2

−2y  

2

+3xy−x+y+2