Solve the equation 9b2 + 30b + 25 = 0. A. b = –5⁄3 B. b = –3⁄5, b = 3⁄5 C. b = –5⁄3, b = 5⁄3 D. b = 5⁄3

Question

asked Feb 5, 2020 137k views

1 Answer

Tomahim · Answer 1 · 2020-02-11T13:59:58+0000

Factor the equation into...
(3b+5)(3b+5)=0
Each factor 3b+5=0 so 3b=-5 so b=-5/3

Check:
9(-5/3)^2+30(-5/3)+25=
9(25/9)-50+25=
25-50+25=0
It checks,

So answer is A.-5/3

Solve the equation 9b2 + 30b + 25 = 0. A. b = –5⁄3 B. b = –3⁄5, b = 3⁄5 C. b = –5⁄3, b = 5⁄3 D. b = 5⁄3

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

Please log in or register to add a comment.

Related questions

Other Questions