juanafrancisco5724 juanafrancisco5724
  • 11-05-2021
  • English
contestada

x^2-11x-38=0, which number would have to be added to complete the square

Respuesta :

fcarrington262 fcarrington262
  • 11-05-2021

The method is based on the simple observation that, while x2+10xis not a perfect square, x2+ 10x+ 25 is. "Completing the square" means putting in the missing 25 that is needed to form the perfect square. Two obvious concerns are "How do you know you need 25? and "How can you just add 25 anyplace you want?" Here are the steps used:

Answer Link

Otras preguntas

it was raining during lunch and when you entered the building you slipped and fell. What is the reason for this?​
Pls give me a real answer and not a link plsss fast
You have 15 grams of of MgSO4, how many moles of MgSO4 do you have? A 0.125 Moles of MgSO4 B 0.75 Moles of MgSO4 C 7.5 Moles of MgSO4 D 15.88 Moles of MgSO4
Find the unknown number in the equation 4 x n = 7 x 16 A. 7 B. 16 C. 26 D. 28
p.o.v your gay ....................
Solve 2x + 4 = 10 solve for x.
what is10 + 9 i really dont know can someone help me
Melissa is planning a rectangular vegetable garden with a square patch for tomatoes. She wants the length of the garden to exceed three times the length of the
the origins of the atlantic slave trade were associated with the
(2n+1)+4n-2+n+2+n+n+5n-2