What's greater 38.5 mm or 10 cm?
2 answers:
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Answer:
Some of the products do not show the correct powers of x.
Step-by-step explanation:
From the picture,
3x(2x - 1) = 6x² - 3x
The correct display on the tile should look like this :
_____+x ______ +x ______ +x
+x __ +x² ______+x² ______+x²
|
+x__ +x² ______ +x² ______+x²
|
- ___ -x _______ -x _______-x
+6x² - 3x
A graphing calculator is a great help for problems of this nature.
x ∈ {-5.63, -0.55, 2.59}
x ∈ {-5.63, -0.55, 2.59}