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Asked by Anneliese

Please show me how to COMPLETELY factor this expression.

z^2 + 11z -42

I appreciate your generous help,thank you.
8 years ago

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
8 years ago

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