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dragpack70
22.11.2020 •
Mathematics
7/3 of y is 5 5/6
pls solve
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Ответ:
2.5
Step-by-step explanation:
y =
÷
=
×
=
= 2.5
Ответ:
Lets get started :)
3x² ( 2x + 3 )( x - 7 )
Let us work with ( 2x + 3)( x - 7 ) first
We need to use FOIL
2x ( x ) + 2x ( - 7 ) + 3 ( x ) + 3 ( - 7 )
2x² - 14x + 3x - 21
Combine, if any, like-terms
2x² - 11x - 21
Now let us distribute 3x² into the brackets with ( 2x² - 11x - 21 )
3x² ( 2x² - 11x - 21 )
3x² ( 2x² ) + 3x² ( - 11x ) + 3x² ( - 21 )
6x⁴ - 33x³ - 63x²
Your answer will be option A) 6x⁴ - 33x³ - 63x²