Answer:
x^2+5
Step-by-step explanation:
g(x+4)=(x+4)^2-8(x+4)+21
x^2+8x+16-8x-32+21
x^2+5
Answer:
450cm3
Step-by-step explanation:
10 times 5 times 9
Answer: False, False, True, True
Step-by-step explanation:
The greatest common factor: 20x^6y 40x^4y^2 10x^5y^5 is 10x^4y.
20x^6y = 10x^4y*2x^2
40x^4y^2 = 10x^4y*4y
10x^5y^5 = 10x^4y*y^4