Question

say answer for this​

Answer 1

im sorry but the photo is not clear

Answer 2

Simplify:

Step-by-step explanation:

$\ Given \ value:\\\\(3m) +( 5n) \times (4m) (-7n)\\\\\ Solution: \\\\\rightarrow (3m) +( 5n) \times (4m) (-7n)\\\\\rightarrow (3m + 5n) \times \ -\ 28mn\\\\\rightarrow -\ 28mn(3m + 5n) \\\\\rightarrow (-54m^2n - 140mn^2)$

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