64x2-80xy+25y2 factorise
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Algebra Examples
Popular Problems Algebra Factor 64x^2-80xy+25y^2
64x2
−80
xy+25y2
Rewrite
64
x2
as
(8x)2
.(8x)
2−80xy+25y2
Rewrite
25
y2
as
(5y)2.
(8x)2
−80
xy+(5y)2
Check that the middle term is two times the product of the numbers being squared in the first term and third term.
80
xy=2
Rewrite the polynomial.
(8x)2−2⋅
(8x)
⋅(5y)+
(5y)
2
Factor using the perfect square trinomial rule
a2-2
ab+2=
(a−b)2, where
a=
8x
and b
=5
y
.(8x−5y)2
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