Question

wtite 3x^2 +8x-25 in the fomr a(x+h)^2+k, where a,h and k are real numbers

Answer 1

3x^2 +8x-25

= 3[x^2 + (8/3)x + 16/9 - 16/9] - 25
= 3[(x+4/3)^2 - 16/9] -25
= 3(x+4/3)^2 - 16/3 - 25
= 3(x+4/3)2 - 91/3