Answer:
x= 25
Step-by-step explanation:
a²+b²=c²
24²+7²=c²
576+49= 625
√625= 25
it's passing thur quad I and III
f(2)= -2×2×2+ 6×2 -7
=-8+12-7
=-3
Combine like terms to get -4x^2-2x
