kody69372 kody69372

04-04-2020
Mathematics

contestada

Solve for x. Write both solutions, separated by a
comma.
5x^2 + 2x -- 7 = 0

Respuesta :

Officialalehpeter Officialalehpeter

04-04-2020

Answer: 1 or -7/5

Step-by-step explanation:

5x2+2x-7=0

Factorise

Factors of -35 that will give +2 is +7&-5

5x2+7x-5x-7=0

X(5x+7)-1(5x+7)=0

(X-1)(5x+7)=0

X-1=0

X=1

5x+7=0

5x= -7

X= -7/5

X= 1 or-7/5

Answer Link

Otras preguntas

Which of the following is the correct graph of -x/3 is greater than or equal to 2 ?

Help I need help in number 1 and 2 plz asap

what does 4p+3q−3p−3q =

what is the result of isolating x^2 in the equation below? x^2+(y-5)^2=30

Which of the following statements is false? A. All whole numbers are integers. B. All natural numbers are rational. C. All whole numbers are natural. D. All int

At a distance of one centimeter from an electron, the electric field strength has a value e. at what distance is the electric field strength equal to e/2?

!!!¿Cual es la relación entre el estudio de la demografía y el impacto sobre los ecosistemas que generan las poblaciones?¡¡¡

How to divided big numbers using super seven

_______ occurs when the Earth, Sun, and Moon form a straight line. 1. All tide 2. Tidal bore 3. Spring tide 4. Neap tide

Adverb clauses modify __________.