factorise √3x² +11x + 653
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3
x
2
+11x+6
3
=0
a=
3
,b=11,c=6
3
x=
2a
−b±
b
2
−4ac
x=
2
3
−11±
11
2
−4
3
6
3
=
2
3
−11±
49
=
2
3
−11±7
∴x=−
3
2
3
,−3
3
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