Mathematics, 02.02.2022 01:50 tlecuyer

How do you find an extraneous solution from an equation such as $\sqrt{x^2-3x-6}=x-1$
When the answer should be written out as

I would really like to learn how to do these questions properly and without looking them up.
Thank you!

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 19:00, ashrobbb

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

Answers: 3

continue

Mathematics, 21.06.2019 22:30, monkemily1

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?

Answers: 2

continue

Mathematics, 21.06.2019 23:00, lizbethmillanvazquez

Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase

Answers: 1

continue

Mathematics, 22.06.2019 02:10, ieyaalzhraa

Is (0,0) a to ? ys x2 - 4 y> 2x-1