Satterly475 Satterly475
  • 13-05-2014
  • Mathematics
contestada

(3x + 2) (2x - 5) = ax² + kx + n .
What is the value of a - n + k ?

Respuesta :

Lilith
Lilith Lilith
  • 13-05-2014
[tex](3x + 2) (2x - 5)=ax^2+kx+n \\ \\ =3x\cdot 2x - 3x\cdot 5 +2\cdot 2x - 2\cdot 5=\\ \\=6x^2-15x+4x-10=\\ \\=6x^2-11x-10\\ \\ a=6, \ n=-10 , \ k=-11 \\ \\a - n + k = 6-(-10)+(-11)=6+10-11= 5[/tex]
Answer Link

Otras preguntas

Read these sentences The customer demanded that the salesperson stop what he was doing and wait on him. He was so pushy that the manager asked him to leave. Wha
What is the solution to the inequality below? 14 – 2(x+1) <-4 O A. x<9 O B. x<6 O c. x>11 O D. x>8
Carbon-14 has a half-life of 5730 years. How “old” would a real fossil be after 4 carbon-14 half-lives?
What happens when both sides of the tug-of-war rope are equal in force? What is the net force in this scenario?
Line v passes through point (6,6) and is perpendicular to the graph of y = *x-11. Line wis parallel to line v and passes through point (-6, 10). Which is the eq
A guinea pig weighs 1,130 grams. What does the guinea pig weigh measured in kilograms? Enter your answer in the bo
Anyone know the answer?
which fraction would you find marked on a ruler?​
Help please! If 56 people surveyed said their favorite vegetable was carrots, how many total people were surveyed? Circle graph titled Favorite Vegetables. Grap
Was Reconstruction a success? Consider the 13th, 14th and 15th amendments, Presidential Reconstruction, the Reconstruction Acts, The 1866 Civil Rights Act, the