12. Simplify
2.3x2.3-0.3x0.3
2.3x2.3-2x23x0.3 +0.3 x 0.3
13. If 3x - 4y = 10 and xy=-1, find the value of 9x2 + 16y2.
14. If 5x – 2y = 7 and xy = 2, find the value of (5x+2y²)
Answers
Answered by
1
Step-by-step explanation:
these are the answers you have asked and these will help to you
Attachments:
Similar questions