Question

if x + y = 10 find the value of x² - y²​

Answer 1

Answer:

${x}^{2} - {y}^{2} = 10(x - y)$

Step-by-step explanation:

$x^{2} - {y}^{2} = (x + y)(x - y)$

As we know that

$x + y = 10$

So,

${x }^{2} - {y}^{2} = 10(x - y)$

And that's our answer.