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seraphim [82]
3 years ago
9

The polynomial is a difference of perfect squares. Use the formula a2 – b2 = (a + b)(a – b) to factor completely. 81x2 – 49 The

value of a is . The value of b is . The product of the prime factors is .
Mathematics
2 answers:
ollegr [7]3 years ago
5 0
<span>81x2</span> as <span><span>(9x)</span>2</span>.<span><span><span>(9x)</span>2</span>−49

</span>Make 49 as 72.<span><span><span>(9x)</span>2</span><span>−72</span></span> 

<span><span>a2<span>−b2</span></span>=<span><span>(a+b)</span><span>(<span>a−b</span>)</span></span></span> 

when 
<span>a=9x</span> and b=7.<span><span>(<span>9x+7</span>)</span><span>(<span>9x−7</span>)</span></span>
Mekhanik [1.2K]3 years ago
5 0

Answer: (Like pretty much all of my other answers, this is late, but for anyone else that needs it.)

The value of a is 9x

The value of b is 7

The product of the prime factors is (9x-7)(9x+7)

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