Answer:
11. x²-12x+36
12. y²-6y+9
13. x²-22x+121
14. y²-14y+49
15. 9x²+12x+4
Step-by-step explanation:
FOIL METHOD:(ax+b)²=(ax+b)(ax+b)
First=(ax)(ax)
Outer=(ax)(b)
Inner=(b)(ax)
(add the outer and inner since they are similar terms)
Last=(b)(b)
tignan nyo na lang kung tama
