А
S=4х*2х+3=8х+3
S=2х*4=8х
S=8x+3*8x=8x+24x=32x
Б
S=4x*x=8x
S=x*3x-1=4x-1
S=8x*4x-1=32x-1
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Answers & Comments
А
S=4х*2х+3=8х+3
S=2х*4=8х
S=8x+3*8x=8x+24x=32x
Б
S=4x*x=8x
S=x*3x-1=4x-1
S=8x*4x-1=32x-1