Answer:
-9 < x
Step-by-step explanation:
-3x - 7 < 20
+ 7 + 7
___________
-3x < 27
___ ___
-3 -3
x > -9 [Whenever you <em>divide</em><em> </em>or <em>multiply</em><em> </em>by a negative, reverse the inequality symbol.]
The above answer is written in reverse, which is the exact same result.
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Answer:
a
Step-by-step explanation:
Step-by-step explanation:
<em>Hope </em><em>it</em><em> </em><em>helps</em><em> </em><em>you</em>
<em>Mark</em><em> </em><em>me</em><em> </em><em>as</em><em> </em><em>Bra</em><em>inlist</em>
If you were to write it fully, as an equation, I believe it would look like this:
x²(4x-x) *4x
Therefore allowing you to simplify the area within the bracket into:
x²(3x)*4x
To expand, you simply start on the left and work your way across.
3x³*4x= 12x⁴
