Fatorar:
a) 9x3y2 + 7x3y2 - 14x3y2 + 2x3y2 =
b)ax +2a =
c)a² - 100 =
d)x² - 10x +25 =
e) (x+b) / (2x² + 4xb + 2b²) =
a) 9x3y2 + 7x3y2 - 14x3y2 + 2x3y2 =
b)ax +2a =
c)a² - 100 =
d)x² - 10x +25 =
e) (x+b) / (2x² + 4xb + 2b²) =
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Verified answer
a) 9x³y²+ 7x³y² - 14x³y² + 2x³y² =16x³y² - 12x³y²
4x³y²(4 - 3)
b)ax +2a =
a.(x + 2)
c)a² - 100 =
(a + 10).(a - 10)
d)x² - 10x +25 =
(x - 5) . (x - 5)
e) (x+b) / (2x² + 4xb + 2b²) =
x + b
2x² + 4xb + 2b²
x + b elimina esse x+b com
2.(x + b).(x + b) um (x + b)
1
2(x + b)