Answer:
(x+5)⋅(x+4)= x2+9x+20
Step-by-step explanation:
(x+5)(x+4)
=x
2
+4x+5x+20=
=x
2
+9x+20
May be I’m wrong, but I think all you have to do is 8x8x8= which is 512
Take your five twelve and divide by 3.14 and that leaves 163.057!
Hope this helps you.
~Brooke❤️
4x^2 + 12x + 9 - 2x^2 - 7x - 15
4x^2 - 2x^2 = 2x^2
12x - 7x = 5x
9 - 15 = -6
2x^2 + 5x - 6
Answer:
Might need a bit more of a photo.
Step-by-step explanation: