Question

Brooke wants to have equal amounts of room on all four sides of her pool table. A 4ft by 7ft table is placed in the center of a rectangular room that has an area of 238 square feet. What is the width of the clear space Brooke will have on all sides of her table?

Answer 1

(4+2x)(7+2x)=238
28+4x^2+22x=238
4x^2+22x-210=0
got it from here?

Answer 2

not really

Answer 3

quadratic equation. (-b +/- sqrt( b^2-4ac)) / 2a

Answer 4

ax^2+bx+c=0

Answer 5

a=4
b=22
c=-210

Answer 6

i got 14 for the answer

Answer 7

sorry x = 5 right ?

Answer 8

yup

Answer 9

alright thanks much