Processing Math: Done
To print higher-resolution math symbols, click the
Hi-Res Fonts for Printing button on the jsMath control panel.
No jsMath TeX fonts found -- using image fonts instead.
These may be slow and might not print well.
Use the jsMath control panel to get additional information.
jsMath Control PanelHide this Message

jsMath

Solution 2.1:3c

From Förberedande kurs i matematik 1

(Difference between revisions)
Jump to: navigation, search
(Ny sida: {{NAVCONTENT_START}} <center> Bild:2_1_3c.gif </center> {{NAVCONTENT_STOP}})
Current revision (08:31, 23 September 2008) (edit) (undo)
m
 
(3 intermediate revisions not shown.)
Line 1: Line 1:
-
{{NAVCONTENT_START}}
+
The expression can be rewritten as <math> x^2+2\cdot 3\cdot x+3^2 </math> and then we see that it can be factorized, using the squaring rule <math> x^2+2ax+a^2=(x+a)^2</math>, as
-
<center> [[Bild:2_1_3c.gif]] </center>
+
 
-
{{NAVCONTENT_STOP}}
+
{{Displayed math||<math> x^2+6x+9 =x^2+2\cdot 3\cdot x+3^2=(x+3)^2\textrm{.}</math>}}

Current revision

The expression can be rewritten as x2+23x+32 and then we see that it can be factorized, using the squaring rule x2+2ax+a2=(x+a)2, as

x2+6x+9=x2+23x+32=(x+3)2.
Retrieved from "http://wiki.math.se/wikis/2008/bridgecourse1-ImperialCollege/index.php/Solution_2.1:3c"