Mathematics, 19.10.2019 07:50 lostcharmedone01
Factor 2x^2-4x-30 completely. a. 2(x-5)(x+3) b. (2x-5)(x+3) c. (2x+3)(x-5) d. 2(x-3)(x+5)
Answers: 2
![2x^2-4x-30\\\\=2\cdot x^2-2\cdot2x-2\cdot15\\\\=2(x^2-2x-15)\\\\=2(x^2+3x-5x-15)\\\\=2[x(x+3)-5(x+3)]\\\\=2(x+3)(x-5)](/tpl/images/0333/8706/977d7.png)
Another question on Mathematics
Mathematics, 21.06.2019 21:00
God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.
Answers: 1
Mathematics, 21.06.2019 22:00
Rewrite so the subject can be y in the formula d=m-y/y+n
Answers: 1
Mathematics, 21.06.2019 23:30
Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge
Answers: 3
Mathematics, 22.06.2019 00:30
Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm2. what is the area of the second triangle?
Answers: 2
You know the right answer?
Factor 2x^2-4x-30 completely. a. 2(x-5)(x+3) b. (2x-5)(x+3) c. (2x+3)(x-5) d. 2(x-3)(x+5)...
Questions
History, 26.04.2021 04:20
Arts, 26.04.2021 04:20
English, 26.04.2021 04:20
Mathematics, 26.04.2021 04:30
Mathematics, 26.04.2021 04:30
Arts, 26.04.2021 04:30
History, 26.04.2021 04:30
Mathematics, 26.04.2021 04:30
Mathematics, 26.04.2021 04:30
Social Studies, 26.04.2021 04:30
