Question

(chapter - substitution) find the value of:3x³- 4x²+5x-6, when x = -1 . please help me to find out.​

Answer 1

Answer: See Below

Step-by-step explanation:

x is -1

So the value of 3x^3-4x^2+5x-6 will be

(Replace all x with -1)

(3{-1×-1×-1})-(4{-1×-1})+(5×{-1})-6

(3×-1)-(4×1)+(-5)-6

(-3)-4+(-5)+6

(-7)+(-5)+6

(-12)+6

(-6)