Factorise the following exponent.
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Answered by
11
Answer:
49x² - 16y²
a²-b²= (a-b) (a+b)
49x²- 16y² = (7x- 4y) (7x+ 4y)
Answered by
2
Step-by-step explanation:
49x^2 - 16y^2
=7^2x^2- 4^2y^2
=(7x)^2- (4y)^2
=(7x- 4y) (7x + 4y)
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