Answer:
x
=±
(√
317/
2
)+(
15
/2)
60%. That is the probability.
Multiply everything in the parenthesis by a.
ac + ab = d
Subtract ab from both sides.
ac = d - ab
Divide a on both sides.
c = d - ab / a
Hope this helps!
Answer:
Factorization
Step-by-step explanation:
This can be easily factorized into (x+7)(x+9)=0 which can be solved for the two roots x = -7 and x = -9
(x-3)(x+4). -3,4 multiply to -12, and add to get 1
