Fatore as expressões (Diferença de dois quadrados)?
A) a2-4
b) x2-100
c)64-a2
d)9x1-1
e)25-4m2
f)49x2-100
g) 25 m2- 81a2
h)81a4-16b8
i)16x4-25
j) 1-100a2
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A) a2-4
b) x2-100
c)64-a2
d)9x1-1
e)25-4m2
f)49x2-100
g) 25 m2- 81a2
h)81a4-16b8
i)16x4-25
j) 1-100a2
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Verified answer
a) ( a - 2 ) ( a + 2 )
b) ( x - 10 ) ( x + 10 )
c) ( 8 - a ) ( 8 + a )
d) ( 3x - 1 ) ( 3x + 1 )
e) ( 5 - 2m ) ( 5 + 2m )
f) ( 7x - 10 ) ( 7x + 10 )
g)( 5m - 9a ) ( 5m + 9a )
h) ( 9a² - 4b4 ) ( 9a² + 4b4 )
i) ( 4x² - 5 ) ( 4x² + 5 )
j) ( 1 - 10a ) ( 1 + 2a )
h) (9a² + 4b^4)(9a² - 4b^4)=
(9a² + 4b^4)(3a + 2b²)(3a - 2b²)