Answer:
the third one
Step-by-step explanation:
because if we calcul Δ
we get a negative number
Answer:
8, 9
Step-by-step explanation:
Since x > 7
This means that x cannot equal 7 but must be greater values than 7.
Thus 8 and 9 are solutions
The square root is 6 because 6*6=36
Answer:
-9 1/4
Step-by-step explanation:
- 5 3/4 - 3 1/2
= -23/4 - 7/2
= -23/4 - 14/4
= -37/4
= - 9 1/4
Answer:
Prime factorization of 525 is 3×5×5×7
