Question

Evaluate – 2.x2 - 4x + 5 when x - 3 and explain pleasee​

Answer 1

f(x)= -2x²- 4x + 5 when x= - 3

f(-3)= -2(-3)²- 4(-3) + 5

f(-3)= -2(9)+12+5

f(-3)= -18+12+5

f(-3)= -18+17

f(-3)= -1

f(-3)= -1 is the right answer.