Help algebra

0

329

1

Find all values of c such that c/(c - 5) = 4/(c + 4).

Guest Jun 25, 2021

0 users composing answers..

Best Answer

+36916

+2

Cross multiply to get

c ( c+4) = 4 ( c-5)

c^2 + 4c = 4c-20

c^2 = -20

c = +- ( sqrt -20) = +- 2i sqrt 5

ElectricPavlov Jun 25, 2021

1⁺⁰ Answers

+36916

+2

Best Answer

Cross multiply to get

c ( c+4) = 4 ( c-5)

c^2 + 4c = 4c-20

c^2 = -20

c = +- ( sqrt -20) = +- 2i sqrt 5

ElectricPavlov Jun 25, 2021

2 Online Users