Ask your own question, for FREE!
Mathematics 16 Online
xloverofmine:

factor. 8x^2 -26x - 45

Florisalreadytaken:

Thats a quadratic equation — respectively ax^2-bx-c

xloverofmine:

thanks

Florisalreadytaken:

Do you know what the first step will be?

KazGotFetee:

@xloverofmine is offline so she may have already got an Answer or just guessed...

KazGotFetee:

oh nvm

Florisalreadytaken:

@xloverofmine you winning?

KazGotFetee:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @Florisalreadytaken @xloverofmine you winning? \(\color{#0cbb34}{\text{End of Quote}}\) probaly

Florisalreadytaken:

Ok so firstly we have to rewrite 26x as 2 numbers, whoms sum is 26, and their product is 8 times -45

xloverofmine:

yup

Florisalreadytaken:

what is the 2 numbers?

Florisalreadytaken:

hint: getting a negative number as the product, but a positive number as their sum, cannot be possible by 2 positive numbers or vice versa

Florisalreadytaken:

It’s got to be a positive number, and another negative one

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!