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Mathematics
Jamar
22 May, 15:29
F (3) = x^ (3) - 19x+30
Show that is equation = 0
+3
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1
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Yaretzi Sutton
22 May, 18:28
0
Sub in 3 for all the x: = (3) ³ - 19 (3) + 30
Expand the brackets: = 27 - 57 + 30
Solve the equation: = 0
Say you've solved it: QED
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