Answer:
f(X)= 3x^2- 30x+5
Step-by-step 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
It can either be the negative sign of the number by the x so it should either be 2 or -
Answer:
dependant clause I think so I don't know sorry
8. 12d-5
10. 25h+100
I hope that helps