3x² - 21
Factor 3 from both terms:
3 (x² - 7)
To me, that's as far as you should need to go. But if you want to get
completely carried away, you could go one step further, since you have
the difference of two squares:
3 (x + √7) (x - √7)
Of course, there's no end now, because the last binomial could be
considered another difference of two squares, so you'd have to
factor that too:
3 (x + √7) (√x + ⁴√7) (√x - ⁴√7)
but to me, this would be nonsense.
Multiply 12 x 12 which is 144. And then you divide that by 6 and you get 24
Answer: B
Step-by-step explanation:




Answer:
560 hamsters
Step-by-step explanation:
==> 50 + 40% = 70
==> multiply 70 by 8 years
==> 70 × 8
==> 560
Answer:
120
Step-by-step explanation:
supplementary means the angles add up to 180