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vredina [299]
2 years ago
8

Factor the expression 16a^2 -81

Mathematics
1 answer:
exis [7]2 years ago
5 0

According to short multiplication formula - different of squares:

a² − b² = (a − b)(a + b)

<h3>16a² - 81 = (4a)² - 9² = (4a - 9)(4a + 9)</h3>

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salantis [7]

Answer:

-41/104

Step-by-step explanation:

Simplify   3/8 and 10/13 then calculate the least common multiple, calculate multipliers, make equivalent fractions and Add fractions that have a common denominator for your final answer.

           

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3 years ago
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See picture for answer and solution steps.

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a_sh-v [17]

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3 years ago
First consider 100% what is the 100% of 40
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Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
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Whereas, if it were two negative numbers, (-4)(-7), or two positive numbers,

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3 0
3 years ago
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