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3D - shapes and polynomials
供稿人: Moore
 600a2 - 240a
(6a)(5a - 2)(20)
The simplified expression for the volume of this solid is:
120a(5a - 2)
31a2 - 2a
It is 18 metres from R to S. What 
is the value of a? Write a number only.
When fully simplified, the expression:
(3y2 + 4y - 6) + (6y2 + 5y - 3) becomes:
 9y2 + 9y - 9
9y4 + 9y2 - 9
9y2 + 9y + 9
9y2
What is the value of the expression: 
4x2 - 2x + 5, if x = -3?
35
155
47
-133
x² coefficient
3x(4 - 2x) - 4(5 + xbecomes which expression when fully simplified?
x coefficient
x2
x
constant term
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