Answer:
4
Step-by-step explanation:
Answer:
equation
Step-by-step explanation:
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Answer:
12x⁴ - 15x³ + 18x²
Step-by-step explanation:
1. distribute -3x²
-3x² • 5x = -15x³
-3x² • -4x² = 12x⁴
-3x² • -6 = 18x²
2. combine terms and put in descending order (standard form)
12x⁴ - 15x³ + 18x²
Answer:

Explanation:
You must find the solution of the system using the substitution method.
System:

Substitute x+2 for y:

Pass all the terms to one side:

Use the quadratic formula to solve:


Use y = x + 2 to find the value of y:
