Answer:
4b-3d
Step-by-step explanation:
first add the like terms
2b - 8b + 10b = 4b
12d - 15d = -3d
then add the results.
3550 to the nearest 1000 would be 4000
Answer:7
Step-by-step explanation:
U have to simplfly the thing
Since p = x² - 7, you can substitute/plug in p for x² - 7
So:
(x² - 7)² - 4x² + 28 = 5
(p)² - 4x² + 28 = 5 You can factor out -4 from (-4x² + 28)
p² - 4(x² - 7) = 5 Plug in p
p² - 4p = 5 Subtract 5
p² - 4p - 5 = 0 Your answer is C