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
<h3><u>Answer</u> :- </h3>
c) 0.01
<h3><u>Solution</u> :-</h3>
To Write percentage in decimal or fraction we divide it by 100
therefore,


Half of 0.02 = 

Answer:
ohh i don't know the answer
Answer:
u^2 +7u -8=0 where u = 3x+2
Step-by-step explanation:
(3x+2)^2 + 7(3x+2) - 8=0
Let 3x+2 = u
u^2 +7u -8=0