49x²-9y² find the common factor
Answers
Answered by
4
Answer:
49x² - 9y²
(7x)² - (3y)²
7x - 3y is the answer in your question
Answered by
1
Answer:
49
x
2
−
9
y
2
Rewrite
49
x
2
as
(
7
x
)
2
.
(
7
x
)
2
−
9
y
2
Rewrite
9
y
2
as
(
3
y
)
2
.
(
7
x
)
2
−
(
3
y
)
2
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