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

How many rational roots does x^4+3x^3+3x^2+3x+2=0 have?

Consider the functions f(x)=x^2+9x and g(x)= 1/x . f(g(-1)) is _____________, and g(f(1/2)) is______________ .

Use the passage to answer the following question. Athlete's Foot You don't have to be an athlete to get athlete's foot. But

Need help with number 2 ASAP! Try to show work! Thank you!!! Random answers will be moderated!!!

Which one of the following is an Asian food prepared with fermented soybeans? A.Tofu B.Tempeh C.Soy Milk D.Lentils

Herbie has learned that a ball of clay and that same ball of clay pulled out into a long rope are the same amount of clay and just the shape has been changed. A

Please help me with this Spanish hw answer with complete sentences

WILL GIVE 30 POINTS AND BRAINLIEST State what property that justifies each statement ABSURD ANSWERS WILL BE REPORTED 6. If the measure of angle D is 52, and the

whay is the recommended internal temp for cooked cuts of meat

How many two digit whole numbers can be written as the sum of two different single digit whole numbers? Lots of points, and will give brainliest! Please help!