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zheka24 [161]
3 years ago
15

Factored expression 16m2-9

Mathematics
1 answer:
kirza4 [7]3 years ago
4 0

Answer:

The factored form of  16m²-9 = (4m+3)(4m-3)

Step-by-step explanation:

16m²-9

To find the factors of the expression, first you have to find out the perfect square of the terms:

4 is the perfect square of 16

∴4 is the number if multiplied two times wil give the product of 16.

m is the perfect square of m²

3 is the perfect square of 9

Then,

16m2-9 = (4m)² - (3)²

Now apply the perfect square formula:

a²  - b²  = (a+b)(a-b)

Therefore,

(4m)² - (3)² = (4m+3)(4m-3)

Thus the factored form of  16m²-9 = (4m+3)(4m-3) ....

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