Question

binomios con termino común, porfavor si no sabes NO respondas o reporto.

(2b-1)(2b-4)=
(6b-8)(6b-7) =
(2a+2)(2d-3) =
(3x-1)(3x+6)=​

Answer 1

Explicación paso a paso:

(2b-1)(2b-4)=

2b×2b-2b×4-2b-1×(-4)

4b²-8b-2b+4

4b²-10b+4

(6b-8)(6b-7)=

6b×6b-6b×7-8×6b-8×(-7)

36b²-42b-48b+56

36b²-90b+56

(2a+2)(2d-3)=

2a×2d-2a×3+2×2d-2×3

4ad-6a+4d-6

(3x-1)(3x+6)=

3x×3x+3x×6-3x-6

9x²+18x-3x-6

9x²+15x-6