FACTORIZE
x^2 - 1 - 2a - a^2
Answers
Answered by
1
Step-by-step explanation:
x² -( 1+2a+a²)
x²-(a+1)² [ since (a+b)²=a²+2ab+b²]
(X+a+1)(x-a-1) [ since a²-b²=(a+b)(a-b]
Answered by
0
Answer:
i'll help you solve this step-by-step
Step-by-step explanation:
formula,
a
2
−
b
2
=
(
a
+
b
)
(
a
−
b
)
where
a
=
x
and
b
=
a
+
1
.
(
x
+
a
+
1
)
(
x
−
a
−
1
)
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