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x
2
+
7
x
+
10
=
0
{x}^{2}+7x+10=0
x
2
+
7
x
+
1
0
=
0
+
−
.
ln
>
<
×
÷
/
log
≥
≤
(
)
log
x
=
%
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x^2+7x+10=0
x^2+7x+10=0
{x}^{2}+7x+10=0
1
Factor
x
2
+
7
x
+
10
{x}^{2}+7x+10
x
2
+
7
x
+
1
0
.
1
Ask: Which two numbers add up to
7
7
7
and multiply to
10
10
1
0
?
2
2
2
and
5
5
5
2
Rewrite the expression using the above.
(
x
+
2
)
(
x
+
5
)
(x+2)(x+5)
(
x
+
2
)
(
x
+
5
)
To get access to all 'How?' and 'Why?' steps, join
Cymath Plus
!
(
x
+
2
)
(
x
+
5
)
=
0
(x+2)(x+5)=0
(
x
+
2
)
(
x
+
5
)
=
0
2
Solve for
x
x
x
.
1
Ask: When will
(
x
+
2
)
(
x
+
5
)
(x+2)(x+5)
(
x
+
2
)
(
x
+
5
)
equal zero?
When
x
+
2
=
0
x+2=0
x
+
2
=
0
or
x
+
5
=
0
x+5=0
x
+
5
=
0
2
Solve each of the 2 equations above.
x
=
−
2
,
−
5
x=-2,-5
x
=
−
2
,
−
5
To get access to all 'How?' and 'Why?' steps, join
Cymath Plus
!
x
=
−
2
,
−
5
x=-2,-5
x
=
−
2
,
−
5
Done
x=-2,-5
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