Sagot :
Answer:
Solution:
25(x+7)^2 + 16(y-4)^2=(16)(25)
25(x^2+14x+49) + 16(y^2-8y+16)=400
25x²+350x+1225 + 16y²-128+256-400=0
25x²+16y²+350x-128y+1225+144=0
Answer:
Solution:
25(x+7)^2 + 16(y-4)^2=(16)(25)
25(x^2+14x+49) + 16(y^2-8y+16)=400
25x²+350x+1225 + 16y²-128+256-400=0
25x²+16y²+350x-128y+1225+144=0