Question

A forma fatorada da expressão algébrica
6x²b + 42x² – y²b – 7y² é...? responda.

A
(6x² – y²) (b + 7)

B
(6x² – 42y²) (b + 7)

C
6x²(b + 7) – 42 y²(b + 7)

D
6x²(b + 7) + y²(b + 7))
​

Answer 1

6x²b + 42x² – y²b – 7y²

6x²(b+7) -y²(b+7)

(6x²-y²).(b+7)