Ответ:
16
Объяснение:
3х(х+4х²-2)+5х(х+2)-4х(2х+3+3х²)=
=3х*х+3х*4х²-3х*2+5х*х+5х*2-
-4х*2х-4х*3-4х*3х²=
=3х²+12х³-6х+5х²+10х-8х²-
-12х-12х³=-6х+10х-12х=-8х=
=-8*(-2)=16
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Verified answer
Ответ:
16
Объяснение:
3х(х+4х²-2)+5х(х+2)-4х(2х+3+3х²)=
=3х*х+3х*4х²-3х*2+5х*х+5х*2-
-4х*2х-4х*3-4х*3х²=
=3х²+12х³-6х+5х²+10х-8х²-
-12х-12х³=-6х+10х-12х=-8х=
=-8*(-2)=16