37
Step-by-step explanation:
8a + 3b - 10 + c²
when a = 2, b = 5, and c = 4.
we would replace the alphabets with the numbers they represent in the expression:
8(2) + 3(5) - 10 + (4)²
= 16 + 15 - 10 + (4 × 4)
= 16 + 15 - 10 + 16
= 37
8a + 3b - 10 + c² = 37