7. (y-7)(y + 3)
11. (xy + 6) (xy-5)
Answers
Answered by
2
Answer:
7 y^2+3y-7y-21
y^2-5y-21
Answered by
1
Answer:
(y+y)(-7+3) we have to put terms one side
2y-4 beard Y + Y and subtract - 7 + 3
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