Step-by-step explanation:
20. x^2+8x+12
x^2 + 6x +2x + 12
X(X+6) + 2(X+6)
(X+2) (X+6)
18. 5x^4 - 25x
5x(x^3-5)
19. 4x^2 - 9
4x^2/4 -9/4 = 0/4
x^2 = 9/4
X=√9/4
self contradiction
I hope this helps. I'm sorry if this incorrect, if it is incorrect, i'm sorry for wasting your time. Peace and love to you.
Answer:
1194
Step-by-step explanation:
You guess and check by subtracting 2% from numbers.
Answer: This is the percentage increase.
Step-by-step explanation:
265.28925619834706%