Question

Plsss help'
Algebra
plzzz

Answer 1

f(X)= 3x^2- 30x+5

Explanation:

f(X)= 3(x-5)^2-70

= 3(x^2-2.x.5+ 5^2) -70

= 3(x^2-10x+25)-70

= 3x^2-30x+75-70

= 3x^2-30x+5