factorise 36x^2-49z^2
Answers
Answered by
4
Answer:
Enter a problem...
Algebra Examples
Popular Problems Algebra Factor 36x^2-49y^2
36
x
2
−
49
y
2
Rewrite
36
x
2
as
(
6
x
)
2
.
(
6
x
)
2
−
49
y
2
Rewrite
49
y
2
as
(
7
y
)
2
.
(
6
x
)
2
−
(
7
y
)
2
Since both terms are perfect squares, factor using the difference of squares formula,
a
2
−
b
2
=
(
a
+
b
)
(
a
−
b
)
where
a
=
6
x
and
b
=
7
y
.
(
6
x
+
7
y
)
(
6
x
−
(
7
y
)
)
Multiply
7
by
−
1
.
(
6
x
+
7
y
)
(
6
x
−
7
y
)
Answered by
6
Answer:
=(6x)²-(7z)²
now use a²-b²=(a+b)(a-b)
=(6x+7z)(6x-7z)
now here's your answer
Thanks.
Similar questions
English,
4 months ago
English,
4 months ago
Math,
4 months ago
Computer Science,
8 months ago
Biology,
8 months ago
Social Sciences,
1 year ago