Question

seven less than x is the same as the difference of 4 more than twice x and x^2.
what is x

Answer 1

is this right
7-x+4-2x-x^2=x

Answer 2

seven less than x means
\[x-7\]

Answer 3

my teacher said it doesn't matter what way you put it
x-7 is the same as 7-x

Answer 4

then your teacher is on the moon

Answer 5

i want to go to the moon please

Answer 6

let me try again k

Answer 7

x-7=(4+2x)-x^2

Answer 8

if your teacher thinks that x - 7 is the same as 7 - x, then your teacher thinks
10 - 7=7 - 10
very odd indeed

Answer 9

she said they equal when you take magnitude of both sides

Answer 10

looks good to me

Answer 11

well that is true. but that hardly means that -3 = 3 does it?

Answer 12

ok so how do i solve this

Answer 13

\[x-7=(4+2x)-x^2\]

Answer 14

is it x^2+x-7-(4+2x)=0

Answer 15

x^2-x-11=0

Answer 16

lets get rid of the parentheses first because they are unnecessary

Answer 17

how do i solve this using the Way of the Myininaya?

Answer 18

\[x-7=4+2x-x^2\]
\[x^2-x-11=0\]

Answer 19

my friend told me about it and im interested

Answer 20

that is what you have yes? i would use quadratic formula for this one

Answer 21

ok

Answer 22

i can do it
thanks

Answer 23

yw

Answer 24

x=(1 + sqrt{45})/2
x=(1 -sqrt{45}}/2
i think thats right