asaadfatma asaadfatma

04-02-2017
Mathematics

contestada

4x²-17x-42 by factor

Respuesta :

surjithayer surjithayer

10-02-2017

4x²-17x-42
=4(x²-17/4x)-42
=4[x²-17/4 x+(-17/8)²-(-17/8)²]-42
=4(x-17/8)²-289/64-42
=4(x-17/8)²-(289+2688)/64
=4(x-17/8)²-2974/64
=[(2x-34/8)²-(√2974/8)²]
=(2x-34/8 +(√2974/8))(2x-34/8-(√2974/8)
=[2x+(√2974-34)/8][2x-(√2974+34)/8]

Answer Link

Otras preguntas

Emilia is a broker who is employed to negotiate a transaction between both parties to a transaction, and with the parties’ written consent, may act as the agent

Land in the Marcellus Shale natural gas play is currently leasing for $10,000 per acre. 100 acres are needed in order to drill for natural gas. Leases last for

Dunia thinks that in her society, it is appropriate for women to dress a certain way. but she doubts that those standards can be defended in a way that would ap

Total costs for ABC Company at 150,000 units are $320,000, while total fixed costs are $150,000. The total variable costs at a level of 300,000 units would

vecide whether the sentence is correct or María está durmiendo. correct incorrect

The probabilities of the events A and B are 0.20 and 0.30, respectively. The probability that both A and B occur is 0.15. What is the probability of either A or

A group of rescue workers is rescuing a dog from a condemned building. Due to demolition, the building has no stairs leading to the ground level. On the ground,

10) Thirty-seven percent of the American population has blood type O+. What is the probability that at least four of the next five Americans tested will have bl

If a manager uses a free-rein leadership style, then he/she would more than likely provide the workers tools needed in order to make decisions and progress towa

1. Define What are food, water, living space, and disease examples of? sc.7.l.17.3