Enable text based alternatives for graph display and drawing entry
Try another version of this question
Use FOIL to find the product.
(
8
a
+
1
)
(
-
9
a
-
5
)
=
-
72
a
2
-
49
a
-
5
↑
X
MathQuill
Basic
General
Intervals
Inequalities
Functions
Trig
x
x
√
n
√
|
|
(
)
π
∞
DNE
x
√
(
)
π
∞
DNE
(
)
(
]
[
)
[
]
—∞
∞
∪
DNE
<
>
≤
≥
or
All Real Numbers
DNE
log
log
n
ln
n
√
|
|
e
sin
cos
tan
arcsin
arccos
arctan
⟨
⟩
∞
DNE
-∞
∞
∪
DNE
[more..]