( (20) + (-11)+(-11)
15. Give possible expressions for the length and breadth of each of the following
rectangles, in which their areas are given:
Area : 25a2 - 35a +12
Area : 35y2 + 13y-12
Answers
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Answer:
i)length = 4/5
breadth = 3/5
ii)length =-4/5
breadth = 3/7
Step-by-step explanation:
i)=25a^2 - 35a + 12
=25a^2 - 20a -15a + 12
=5a(5a -4) -3 (5a-4)
=(5a-4) (5a-3)
length = 4/5
breadth = 3/5
ii)=35 y^2 + 13y -12
=35y^2 -15y +28 y -12
=5y (7y-3) +4 (7y-3)
=(5y+4)(7y-3)
length =-4/5
breadth = 3/7
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