How do you multiply (x2+2y)(x2−2y)?
Answers
Answered by
0
Answer:
x2^2 - 2y^2
Step-by-step explanation:
use identity- (a+b)(a-b)= a^2 - b^2
Answered by
0
This is a sum multiplied a difference. The rule is:
(
a
+
b
)
(
a
−
b
)
=
a
2
−
b
2
, so:
(
x
2
+
2
y
)
(
x
2
−
2
y
)
=
(
x
2
)
2
−
(
2
y
)
2
=
x
4
−
4
y
2
.
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