exam Maths Puzzle Numerical Ability

i need to find the Foci of 25x2+16y2+150x=160y-225
the 2 that is next to 25x and 16y is supposed to be squared but i didn't no how to do it. thanks for you help.

Read Solution (Total 0)

exam Other Question

I need some help. Can someone help me, please?

f+8/f-1 divided by 6f+48/f-2 Police chief wants to locate enough police stations so that each sector of the city has an average response time of 6 minutes. Find the minimum number of facilities needed and the