Question

Help mee guysss.............

Answer 1

25a2- 35a+12
25a2-20a-15a+12
5a(5a-4)-3(5a-4)
(5a-3)(5a-4)

Hence (5a-3)and (5a-4) may be the possible length and breadth respectively.






Similarly , 35y2+13y-12 = (7y-3) (5y+4)
Hence (7y-3) and (5y+4) may be the possible length and breadth respectively.

Answer 2

☺️☺️here is your answer ✨

1) 25a² - 35a +12

25a² - 15a - 20a +12 = 0

5a(5a-3) - 4(5a-3) = 12

so, = 4/5 , 3/5

will be possible expressions for length and breadth.

2) 35y²+13y-12 = 0

by , quadratic formula -
-b+-√b² -4ac\ 2a

= -13+- √13²-4(35)(-12)\2(35)

= -13 +- (43)/70
so, 2 cases =
-13+43/70 = 3/7
or , -13-43/70 = -8/10 = -4/5
will be the given length and breadth..

hope it helps u ✌️✌️✌️✌️✌️☺️ ☺️