do middle splliting of 25a²-35a+12 and35y²+13y-12
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25a² - 35a + 12 = 0
25a² - 20a - 15a + 12 = 0
5a(5a - 4) - 3(5a - 4) = 0
(5a - 4) (5a - 3) = 0
a = 4/5 or a = 3/5
35y² + 13y - 12 =0
35y² + 28y - 15y - 12 = 0
7y(5y + 4) -3(5y + 4) = 0
(7y - 3) (5y + 4) = 0
y = 3/7 or y = - 4/5
Hope this helps you.
25a² - 20a - 15a + 12 = 0
5a(5a - 4) - 3(5a - 4) = 0
(5a - 4) (5a - 3) = 0
a = 4/5 or a = 3/5
35y² + 13y - 12 =0
35y² + 28y - 15y - 12 = 0
7y(5y + 4) -3(5y + 4) = 0
(7y - 3) (5y + 4) = 0
y = 3/7 or y = - 4/5
Hope this helps you.
Muthu2004:
Excuse me you should find a and y edit it fast
Answered by
2
(i)25a^2-35a+12
=25a^2-15a-20a+12
=5a(5a-3)-4(5a-3)
=(5a-4)(5a-3)
(ii)35y^2+13y-12
=35y^2+28y-15y-12
=7y(5y+4)-3(5y+4)
=(7y-3)(5y+4)
=25a^2-15a-20a+12
=5a(5a-3)-4(5a-3)
=(5a-4)(5a-3)
(ii)35y^2+13y-12
=35y^2+28y-15y-12
=7y(5y+4)-3(5y+4)
=(7y-3)(5y+4)
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