How do you solve [Math Processing Error]?

2 Answers
Jul 3, 2015

You may start by dividing everything by [Math Processing Error]
It also helps if you reverse all the signs.

Explanation:

[Math Processing Error]
[Math Processing Error]

This can be factorised:
[Math Processing Error]
[Math Processing Error]

Jul 3, 2015

I found:
[Math Processing Error]
[Math Processing Error]

Explanation:

Again, you can use the Quadratic Formula but we can also try something...interesting!
Divide all by [Math Processing Error];
[Math Processing Error]
Rearrange:
[Math Processing Error]
again...
[Math Processing Error]
add and subtract [Math Processing Error];
[Math Processing Error]
rearrange:
[Math Processing Error]
[Math Processing Error]
root square both sides:
[Math Processing Error]
so you get two solutions:
[Math Processing Error]
[Math Processing Error]