Santosjim378viz
Answered

1.(3m + 7) (9m² - 21m + 49)
2. (x2 + 2x) (* - 2x® + 4x2)
3. (2y2 - 7y) (4y4 + 14y + 49y2)​

Sagot :

Megzzzzz82viz

Answer:

1.

[tex]27 {m}^{3} + 343[/tex]

2.

Number is confusing, what's with the * and ®?

3

[tex]8 {y}^{6} - 28y {}^{5} + 98y {}^{4} - 315y {}^{3} - 98y {}^{2} [/tex]

BrainlyBlockviz

Answer:

1. 27m3+343

2. 4x4+6x3−4x2

3.8y6−28y5+98y4−315y3−98y2

Step-by-step explanation:

Correct me if i'm wrong