11/200 would be the answer yeah i know fractions :D
The result is
9
a
2
−
16
The reason is the following:
The problem is an example of a notable product: "the sum multiplied by the diference is equal to the difference of squares", that is to say:
(
a
+
b
)
⋅
(
a
−
b
)
=
a
2
−
b
2
.
By applying this to our question, we obtain that:
(
3
a
−
4
)
⋅
(
3
a
+
4
)
=
(
3
a
)
2
−
(
4
)
2
=
9
a
2
−
16
.
Answer:
Step-by-step explanation:
8 pints per gallon
8x4=32 pints total
each container holds 1 pint so she needs 32 containers
Answer:
-x+11
Step-by-step explanation:
