annaguerette annaguerette

03-12-2020
Mathematics

contestada

(see image for question)

see image for question class=

Respuesta :

narvekarrituja narvekarrituja

03-12-2020

Answer:

Hans has done a mistake in the second step.

The correct answer is:

5x^2+13x-6=0

5x^2+15x-2x-6x=0 - 5. -6=-30 -30=15. -2

5x(1+3x)-2x(1+3x)=0

(5x-2x)(1+3x)=0

5-2x=0 1+3x=0

x=5/2 x=-1/3

Answer Link

Otras preguntas

Education reformers in U.S. that focused on Western civilization

MATHEMATICAL READINESS Writing a ratio as a percentage without a calculator In the past year, Isabel watchet 6 movies that she thought were very good. She watch

What are the answers to these questions?

Ap biology work pls help

801,504 round to the nearest thousand

The Fifth Amendment protects the individual’s right

P(x)=2x^3+5x^2-2x-5 find the zeros

In "the negro speaks of rivers" what does the poet imply about the durability or dignity of his people when he refers to the great age of rivers.

A car tyre has a pressure of 2.6 atm at 10°C. If the pressure inside reaches 5 atm, the tyre will fail. How hot would the tyre have to get for this to happen?

Monroe Construction Company uses the percentage-of-completion method of accounting. In 2013, Monroe began work on a contract it had received which provided for