Which term fills the blank correctly? 49x2 - 9 = (7x 3)(7x ____) A. -12 B. -6 C. -3 D. 3
Question
Updated 5/29/2014 12:04:02 AM
This conversation has been flagged as incorrect.
Flagged by yeswey [5/29/2014 12:02:20 AM]
Original conversation
User: Which term fills the blank correctly? 49x2 - 9 = (7x 3)(7x ____) A. -12 B. -6 C. -3 D. 3

Weegy: 49x2 - 9 = (7x + 3)(7x + C. -3 ) is the answer.

User: 6x2 + 7x - 20

Weegy: D.{x | x < -3}
latefisher|Points 3420|

User: Factor the trinomial: 6x2 + 7x - 20

Weegy: the answer is D. (3x-4)(2x+5) well, when u solve this kind of problems, u can check the answer by multiplying the FACTORS. here, (3x-4)(2x+5)=6x2 + 7x - 20 however, while solving it, the steps r as follows:- 1. first u multiply 6 with 20. [ This gives 120 2.now, u try to find two numbers, which are factors of 120, and give the difference of 7. here, they r 15 n 8. 3. then u do it as, 6x2 + 15x-8x - 20 =3x(2x+5)-4(2x+5) =(3x-4)92x+5) ]
Controler|Points 3928|

User: (z^-z-12)/(z-4)

Question
Updated 5/29/2014 12:04:02 AM
This conversation has been flagged as incorrect.
Flagged by yeswey [5/29/2014 12:02:20 AM]
Rating
3
6x^2 + 7x - 20 = (2x + 5)(3x - 4)

Confirmed by jeifunk [5/29/2014 1:04:12 AM]
3
(z^2 - z - 12)/(z - 4)
= (z + 3)(z - 4)/(z - 4)
= z + 3

Confirmed by jeifunk [5/29/2014 1:04:25 AM]

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