First, expand
(2x + 3)² = (2x + 3)(2x + 3)
Use the FOIL method (First, Outside, Inside, Last)
(2x)(2x) = 4x²
(2x)(3) = 6x
(3)(2x) = 6x
(3)(3) = 9
4x² + 6x + 6x + 9
Combine like terms
4x² (+6x + 6x) + 9
4x² + 12x + 9
4x² + 12x + 9 is your answer
hope this helps
Answer:
cbrt(x+1)-3=y
Step-by-step explanation:
The inverse of a function is when the domain and range are swapped. So to find the inverse simply swap the x and y in the equation and then solve for y.
Answer:
-20
Step-by-step explanation:
absolute value of -3 is 3. 17 plus 3 is 20, and make it a negative
check: 17 + - 20 = - 3
Answer: 1.08j
Step-by-step explanation: if we add 8% of something to itself, we now have 108%, right
1.08j
I’m not 100% sure tho