Asked by Anneliese
Please show me how to COMPLETELY factor this expression.
z^2 + 11z -42
I appreciate your generous help,thank you.
z^2 + 11z -42
I appreciate your generous help,thank you.
Answers
Answered by
Reiny
Can you think of 2 numbers which have a sum of 11 and when multiplied give a product of -42 ?
how about -3 and +14 ?
Now form the factors
how about -3 and +14 ?
Now form the factors