When do you use substitution and when do you use exclusion?
I'm writing a math homework tomorrow (11th grade) and the topic is the Pq formula, substitution, and factoring. When will I know which method to use? That won't be possible. With the Pq formula, you always need an x^2 and two numbers, but with the other two?
(2 votes)
Loading...
pq formula with the pattern ax2 + bx + c
Substance is always unnecessary, it often helps to better representation. It is used during integration, as well as if the above pattern is somewhat hidden, e.g.
Then z=x3 can be substituted and has
Also at z=x2 or z=x high 4, high 5 etc, e.g.
Clamping also simplifies something: