Question

Marque a alternativa CORRETA:
Oa) 16x2 – 25 y² = (4x + 5y)(4x - 5y)
b) 5x + 25y2 = (5x + 5y)(5x - 5y)
c) x2 – 64 = (x + 4)(x – 4)
d) 80x² + 15 y2 = (40x + 3y)(40x – 3y)
e) 8x2 – 9y2 = (4x + 3y)(4x – 3y)​

Answer 1

a resposta correta é a letra B