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
if you have base ten blocks you can figure out the answer
x + 1 = x + 1
x - x = 1 - 1
0 = 0
K12? Me too.
It would be educated guess. I just finished that practice cause I'm catching up :) Good luck!
Answer:
194.58$
Step-by-step explanation:
Have a great day! :)
