Question

(2+x) x ( 7-x) / (5-x) x (4+x) =1

Answer 1

Answer:

x=6

Step-by-step explanation:

it's in the form a+b × a‐b

Answer 2

Answer:

x=3/7

Step-by-step explanation:

(2+X)(7-x)=(5-x)(4+X)

multiply brackets

14-2x+7x-x^2=20-5x-4x-x^2

14+5x-20+9=0

-6+14x=0

X=6/14

X=3/7