doriemaeh doriemaeh

24-11-2020
Mathematics

contestada

The expression 2x² + ax is equivalent to x (2x + 7) for some constant a. What is the value of a ?

Respuesta :

meowmeow223334 meowmeow223334

24-11-2020

2x^2 + ax = x(2x+ 7)
2x^2 + ax = 2x^2 + 7x
Subtract 2x^2 from both sides
ax = 7x
a = 7

Answer Link

Otras preguntas

25 35 4717 5 6111 72 ??

At the start of the month,the value of an investment was $48.45.By the end of the month, the value of the investment changed by a loss of $13.8.What is the valu

Tessa's cumulative GPA 'for 3 semesters was 3.24 for 46 course units. Her fourth semester GPA was 3.86 for 12 course units. What is Tessa's cumulative GPA for a

Determine the change in energy when an electron transitions from n= to n=5?

help me needs urgent guys help me

When the framers created the legislative branch of government why did they decide that this branch would have a bicameral structure

If an element has 3 valence electrons, what charge will likely form on its ion

Describe the distribution of hurricanes as shown in figure B.7

There are two scarecrows in Mr. Martland's garden. The first scarecrow is 4.69 feet tall. The other scarecrow is 8.1 feet tall. What is the difference between t

Explain how the carbon cycle is related to global warming