algebra

Question

0

497

2

Find a and b if a^2 - b^2 = 704 and a + b = 44.

Guest Oct 16, 2020

Guest · Answer 1 · 2020-10-16T02:08:03

Use substitution to find the values of "a" and "b":

a = 30 and b= 14

30^2 - 14^2 =704 and 30 + 14 =44

CalTheGreat · Answer 2 · 2020-10-16T07:49:11

The first step to solving it:

$a^2+b^2=1936$

So we get:

$a^2-b^2=704$

$a^2+b^2=1936$

Now we can eliminate a or b :)