Answer:
=−5x2+18x−13
Step-by-step explanation:
Let's simplify step-by-step.
x2−1−3(2x−2)(x−2)
Distribute:
=x2+−1+−6x2+18x+−12
Combine Like Terms:
=x2+−1+−6x2+18x+−12
=(x2+−6x2)+(18x)+(−1+−12)
=−5x2+18x+−13
Answer:
=−5x2+18x−13
Answer:
Y = - 24
Step-by-step explanation:
Y/-6 +5=9 /*6 (Multiply the whole equation by the number 6 to eliminate the fraction. That is, you multiply each member of the equation by 6 because 6 is in the denominator of the fraction.
,
, 
-Y + 30 = 54
-Y = 54-30
-Y=24 /*(-1)
Y= -24
Step-by-step explanation:
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Answer:
Step-by-step explanation:
2,401 = 7^6 - 2x
2401 + 2x = 117649
2x = 117649 - 2401
2x = 115248
x = 115248 / 2
x = 57624