serinasantiago
serinasantiago serinasantiago
  • 01-05-2020
  • Mathematics
contestada

only answer if yk it ! correct answer ill mark as brainliest!

Solve the equation for all values of x by completing the square:
x^2+45=-14x

Respuesta :

valeryswilliams
valeryswilliams valeryswilliams
  • 01-05-2020

Answer:

x=-5, x=-9

Step-by-step explanation:

x^2+45=-14x

add 14x to both sides

x^2+45+14x=-14x+14x

simplify

x^2+14x+45=0

solve using quadratic formula

a=1, b-14, c=45

x=-14±√14^2-4·1·45/2·1

(solve using a calculator or PEMDAS)

(solve for both + and -)

x=-5, x=-9

Answer Link

Otras preguntas

I really need help right now please i will mark brainliest and give lots of points
order the values from least to greatest​
Will the answer to the addition problem below be odd or even? 2156 +992 = ?
which themes for government action emerged during roosevelt's first hundred days as president ​
which inequality is true when the value of H is -14 I'ma post a picture​
Hi, I am an independent learner of the Cambridge Latin course. I am looking for stage 22 test story. Does anyone have a pdf copy? Thank u so much!
How do I do this? Help me please ​
Can you help me about this question
in an informal letter, the sender's address goes in the top ​
why did European colonization of the Americas lead to the growth of an international slave labor system?