Add the following like terms.
a) 13x, -27x and -39x
b) 19a, -55a and 14a
c) 7xyz and - 4xyz
d) -15pq, 12q-23pqand7pq
Answers
Answered by
0
Answer:
Because the
x
2
coefficient is
1
we know the coefficient for the
x
terms in the factor will also be
1
:
(
x
)
(
x
)
Because the constant is a positive and the coefficient for the
x
term is a positive we know the sign for the constants in the factors will both be positive because a positive plus a positive is a positive and a positive times a positive is a positive:
(
x
+
)
(
x
+
)
Now we need to determine the factors which multiply to 12 and also add to 13:
1
×
12
=
12
;
1
+
12
=
13
<- this IS the factor
(
x
+
1
)
(
x
+
12
)
Step-by-step explanation:
the above answer is for the 1st one
Answered by
3
Answer:
a)-53X
b)-22a
c)3xyz
d)-19pq
Step-by-step explanation:
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