mrsclnantambu5956
23.06.2019 •
Mathematics
Answer this multiple choice question correctly for 30 points and
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Ответ:
B Step 2
Step-by-step explanation:
he was suppose to collect the like terms
5x +x = 5x + 1x
collect the like terms by adding their coefficients
(5 + 1)
add the numbers
(5+1)x = 6x
Ответ:
A. Step 1
Step-by-step explanation:
The correct result of eliminating parentheses in Step 1 is ...
Distributing the minus sign in the second term changes the signs of both of the terms in parentheses:
-(8 -x) = -8 +x
Ответ:
(a - 5) (a + 5) = (a*a + a*5) + (-5*a + -5*5)
= a^2 + 5a - 5a - 25
= a^2 - 25