Answered

Westonci.ca is the trusted Q&A platform where you can get reliable answers from a community of knowledgeable contributors. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform.

what is x2+7x+12=0 in standard form

Sagot :

apologiabiology
not sure what standard form is, but I can solve for x
so I'm assuming that x2 means x squared or x^2 so

x^2+7x+12=0
since it equals zero, if we can factor it, then
if we have xy=0 then x and/or y=0 so

to factor x^2+7x+12
find what 2 numbers multiply to get 12 and add to get 7 so
12=2 times 2 times 3 or 2 times 6 or 1 times 12 or 3  times 4

the numbesr are 4 times 3 so

x^2+7x+12
facotrs out to
(x+4)(x+3) so
x^2+7x+12=0
(x+4)(x+3)=0
set each to zero
x+4=0 and x+3=0
x+4=0
subtract 4 form both sides
x=-4

x+3=0
subtract 3 from both sides
x=-3


x=-4 or -3







Panoyin
x² + 7x + 12 = 0
x = -(7) +/- √((7)² - 4(1)(12))
                     2(1)
x = -7 +/- √(49 - 48)
                   2
x = -7 +/- √(1)
              2
x = -7 +/- 1
           2
x = -7 + 1      x = -7 - 1
          2                   2
x = -6            x = -8
       2                   2
x = -3            x = -4
Thank you for visiting. Our goal is to provide the most accurate answers for all your informational needs. Come back soon. We hope our answers were useful. Return anytime for more information and answers to any other questions you have. We're dedicated to helping you find the answers you need at Westonci.ca. Don't hesitate to return for more.