x2y2 – xy – 72 factorise
Answers
Answered by
2
Step-by-step explanation:
x²y² – xy – 72
x²y²-9xy+8xy-72
xy(xy-9)+8(xy-9)
(xy+8)(xy-9)
......666.......
Answered by
0
Answer:
(xy+8)(xy-9)....
Step-by-step explanation:
I want to mention that to find the correct pair easily as 72 ....studebt should take LCM and multiply getting smal factors .... he or she can get pairing factors easily and can also save the time ....
means that 2×2×2=8 , 3×3=9 ....72 .... 9-8=1 ...
try this method for once ....
Similar questions