Asked by D
8. Factor 5t² - t -18
9. Factor 25x² - 9
10. Factor 9t² + 12t + 4
9. Factor 25x² - 9
10. Factor 9t² + 12t + 4
Answers
Answered by
Writeacher
See https://www.jiskha.com/display.cgi?id=1522693893#1522693893.1522695283
Answered by
Steve
Factoring takes some practice.
(5t-?)(t+?)
or (5x+?)(t-?) so just play around and you will finally wind up with
10-9=1, so
(5t+9)(t-2) = 5t^2+9t-10t-18 = 5t^2-t-18
also, recall that (a-b)(a+b) = a^2-b^2
25x^2-9 = (5x)^2 - 3^2
(5t-?)(t+?)
or (5x+?)(t-?) so just play around and you will finally wind up with
10-9=1, so
(5t+9)(t-2) = 5t^2+9t-10t-18 = 5t^2-t-18
also, recall that (a-b)(a+b) = a^2-b^2
25x^2-9 = (5x)^2 - 3^2
Answered by
Damon
10. remember 3*2 = 6
6+6 = 12
6+6 = 12
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.