Resposta:
A) m^2 - 100 = (m + 10)(m - 10)
B) x^2 - y^2 = (x + y)(x - y)
C) y^2 - 1 = (y + 1)(y - 1)
D) a^4 - 9 = (a^2 + 3)(a^2 - 3)
E) 4x^2 - 49 = (2x + 7)(2x - 7)
F) 9x^2 - 25b^2 = (3x + 5b)(3x - 5b)
G) x^10 - 64 = (x^5 + 8)(x^5 - 8)
H) 81 - y^20 = (9 + y^10)(9 - y^10)
I) 169 - x^16 = (13 + x^8)(13 - x^8)
J) x^8y^22 - 121 = (x^4y^11 + 11)(x^4y^11 - 11)
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Resposta:
A) m^2 - 100 = (m + 10)(m - 10)
B) x^2 - y^2 = (x + y)(x - y)
C) y^2 - 1 = (y + 1)(y - 1)
D) a^4 - 9 = (a^2 + 3)(a^2 - 3)
E) 4x^2 - 49 = (2x + 7)(2x - 7)
F) 9x^2 - 25b^2 = (3x + 5b)(3x - 5b)
G) x^10 - 64 = (x^5 + 8)(x^5 - 8)
H) 81 - y^20 = (9 + y^10)(9 - y^10)
I) 169 - x^16 = (13 + x^8)(13 - x^8)
J) x^8y^22 - 121 = (x^4y^11 + 11)(x^4y^11 - 11)