Question

completing the square
solve 2x^2+x=3

Answer 1

2x^2+x-3=0
(2x+3)(x-1)=0
x= -3/2 or 1

Answer 2

thats factoring... not completing the square. :(

Answer 3

ahh sorry didnt read properly

Answer 4

i know how to factor it out i just totally forgot how to complete the square.

Answer 5

ok lemme do again

Answer 6

alright. kk

Answer 7

2x^2+x-3=0
x^2+x/2-3/2=0
x^2+x/2+(x^2/16)=3/2+1/16
(x+1/4)^2=25/16

Answer 8

did you had to square root?

Answer 9

and then simply rearrange to get
x=plus/minus 5/4 -1/4

Answer 10

yup

Answer 11

i skipped that part cuz i was slow at typing and didnt want u to die or boredorm

Answer 12

of*

Answer 13

could u draw it?

Answer 14

haha ok ill try

Answer 15

sorry i learn from seeing a picture

Answer 16

please correct me if im wrong in any areas

Answer 17

nah its all goods. Most of us are visual learners =D