Answer:
162
Step-by-step explanation:
Step 1: Define
x⁴ + 9x²
x = -3
Step 2: Substitute and Evaluate
(-3)⁴ + 9(-3)²
81 + 9(9)
81 + 81
162
<span>To remove any negative sign in front of a number, and to think of all numbers as positive (or zero). Example: |5|=5</span>
Answer:
14x²-12y²
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
Technically cats only have one life even though they can survive falls and such