Help, GCSE maths. Watch

multiplexing-gamer
Badges: 2
#1
Report Thread starter 7 years ago
#1
How do you solve:
X squared =4x+12
Take me through step by step. Thanks.
quote
reply
ttoby
Badges: 15
Rep:
?
#2
Report 7 years ago
#2
You first need to put it in the standard form for a quadratic equation. This is x^2-4x-12=0. Then you will need to factorise. You should get it in the form (x+...)(x-...)=0. Then for your answer you will say either (x-...)=0 or (x+...)=0 and then you'll get your two values of x.
0
quote
reply
X

Quick Reply

Attached files
Write a reply...
Reply
new posts
Latest
My Feed

See more of what you like on
The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

Personalise

University open days

  • University of Lincoln
    Mini Open Day at the Brayford Campus Undergraduate
    Wed, 19 Dec '18
  • University of East Anglia
    UEA Mini Open Day Undergraduate
    Fri, 4 Jan '19
  • Bournemouth University
    Undergraduate Mini Open Day Undergraduate
    Wed, 9 Jan '19

Were you ever put in isolation at school?

Yes (246)
27.24%
No (657)
72.76%

Watched Threads

View All