Pre-Algebra Examples

Factor p^2-p-6
p2-p-6
Step 1
Consider the form x2+bx+c. Find a pair of integers whose product is c and whose sum is b. In this case, whose product is -6 and whose sum is -1.
-3,2
Step 2
Write the factored form using these integers.
(p-3)(p+2)
p2-p-6
(
(
)
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[
[
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π
π
7
7
8
8
9
9
4
4
5
5
6
6
/
/
^
^
×
×
>
>
!
!
1
1
2
2
3
3
-
-
+
+
÷
÷
<
<
,
,
0
0
.
.
%
%
=
=
 [x2  12  π  xdx ]