Question

simplify -3/5 x -10/9 x 21/-4 x -6 Pls tell quick

Answer 1

Answer:

-3/5 x -10/9 x 21/-4 x -6 =(-3/5 x -10/9) x( 21/-4 x -6 )

=(2/3)(63/2)=21

Answer 2

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x+3(x+4)=20

x+3x+3⋅4=20

x+3x+12=20

x+3x=20−12

4x=8

x=84

x=2