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x
2
−
7
x
+
12
{x}^{2}-7x+12
x
2
−
7
x
+
1
2
+
−
.
ln
>
<
×
÷
/
log
≥
≤
(
)
log
x
=
%
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factor(x^2-7x+12)
factor x^2-7x+12
{x}^{2}-7x+12
1
Ask: Which two numbers add up to
−
7
-7
−
7
and multiply to
12
12
1
2
?
−
4
-4
−
4
and
−
3
-3
−
3
2
Rewrite the expression using the above.
(
x
−
4
)
(
x
−
3
)
(x-4)(x-3)
(
x
−
4
)
(
x
−
3
)
Done
(x-4)*(x-3)
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