Question

-x3+3x2+5x+1
Evaluate when x=-12
Can someone help me I don’t understand this :(

Answer 1

2102

Explanation:

Evaluate -x³+3x²+5x+1 when x = -12

simply substitue x = -12 into the equation

-x³+3x²+5x+1 when x = -12

= - (-12)³ + 3(-12)² + 5(-12)+1

= -(-1728) + 3(144) - 60 + 1

= 1728 + 432 - 60 +1

= 2102