Question

Evaluate the given algebraic expression for the values indicated below.

a) 3x³+5x² + 2x + 4 for x = 3

b) 5x² + 8x + 9 for x=5​

Answer 1

Step-by-step explanation:

Filling the values

x=3

a) 3x³ + 5x² + 2x + 4

(3×3)³+(5×3)²+2×3+4

243+225+10= 478

x=5

b) 5x²+8x+9

(5×5)²+8×5+9

625+49= 674