factorise :-25 y(sq)2 -5y-6
Answers
Answered by
1
Step-by-step explanation:
25y^2-5y-6
=5y(5y-1)-6
Answered by
0
y(sq)2
Step-by-step explanation:
−
y
2
52-y2
Since both terms are perfect squares, factor using the difference of squares formula,
a
2
−
b
2
=
(
a
+
b
)
(
a
−
b
)
a2-b2=(a+b)(a-b) where
a
=
5
a=5 and
b
=
y
b=y.
(
5
+
y
)
(
5
−
y
)
(5+y)(5-y)
2
5
−
y
2
25-y2
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