Respuesta:
Absolutely, let's simplify the given expressions:
**Expression 1:**
7x + 12x - 7y + 12y - 3x²
Combine like terms:
- For x: 7x + 12x = (7 + 12)x = 19x
- For y: -7y + 12y = (12 - 7)y = 5y
- The term -3x² stays the same as it's already simplified.
Therefore, the simplified expression is:
19x + 5y - 3x²
**Expression 2:**
x⁵ + 3x⁵ - 4x⁵ + 1
Combine like terms:
- All the terms are of the same type (x⁵). Simply add the coefficients:
x⁵ + 3x⁵ - 4x⁵ + 1 = (1 + 3 - 4)x⁵ + 1 = 0x⁵ + 1
Since any number multiplied by zero equals zero, 0x⁵ becomes zero.
Therefore, the simplified expression is:
1
**Summary:**
- Expression 1: 19x + 5y - 3x²
- Expression 2: 1
