Answer:
(7w + 9x)(7w - 9x)
Step-by-step explanation:
Given expression;
49w² - 81x²
Now to solve the problem;
49w² - 81x² = 7²w² - 9²x²
Using differences of two squares;
x² - y² = (x + y)(x - y)
So;
7²w² - 9²x² = (7w + 9x)(7w - 9x)
<span> 4k/19m </span>Final result : 4km /19
Step by step solution :<span>Step 1 :</span> k
Simplify /19
<span>Equation at the end of step 1 :</span> k
(4 • /) • m
19
<span>Advertising Skip</span><span>Step 2 :</span>Final result :<span> 4km/ 19 </span>
Answer:
-2/5 × 3/3 = -6/15
1/5 × 3/3 = 3/15
Five rational numbers in between are : -1/3, -4/15, -1/5, -2/15, -1/15
