anonymous
  • anonymous
solve the quadratic equation by completing the square... X^2+11X-2=0
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
@Leong
anonymous
  • anonymous
@_greatmath7
jdoe0001
  • jdoe0001
hmmm do you know what a "perfect square trinomial" is?

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anonymous
  • anonymous
no
jdoe0001
  • jdoe0001
\(\begin{array}{cccccllllll} {\color{brown}{ a}}^2& + &2{\color{brown}{ a}}{\color{blue}{ b}}&+&{\color{blue}{ b}}^2\\ \downarrow && &&\downarrow \\ {\color{brown}{ a}}&& &&{\color{blue}{ b}}\\ &\to &({\color{brown}{ a}} + {\color{blue}{ b}})^2&\leftarrow \end{array}\qquad % perfect square trinomial, negative middle term \begin{array}{cccccllllll} {\color{brown}{ a}}^2& - &2{\color{brown}{ a}}{\color{blue}{ b}}&+&{\color{blue}{ b}}^2\\ \downarrow && &&\downarrow \\ {\color{brown}{ a}}&& &&{\color{blue}{ b}}\\ &\to &({\color{brown}{ a}} - {\color{blue}{ b}})^2&\leftarrow \end{array}\) does that ring a bell?
anonymous
  • anonymous
er.... you want me to detail you the whole answer?
anonymous
  • anonymous
i just need the answer its the last question on the final
anonymous
  • anonymous
sr but i think you type wrong something, check it again
anonymous
  • anonymous
or screen shot it for me
anonymous
  • anonymous
ok
anonymous
  • anonymous
i checked and i didnt make a mistake and im on a computer so i cant screen shot
anonymous
  • anonymous
thx for all the help guys but i solved it

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