Question

a+b=6 and a*b=42.75 find a-b

Answer 1

a-b =

$\sqrt{(a + b)^{2} - 4ab }$

So rootof 6 square - 4*42.75 = root of 36- 171=root of - 135

Answer 2

Answer:

$a - b = \sqrt{(a + b) {}^{2} } - 4ab$

So, root of 6^2 - 4* 42.75 = root of 36 - 171 = root of - 135.

Step-by-step explanation:

@Genius