Expand and simplify
−
2
m
(
m
−
9
)
+
(
−
8
m
+
5
)
(
−
7
m
−
4
)
.
Answers
Answered by
2
Answer:
= -2m² + 71m - 20
Step-by-step explanation:
= - 2m(m-9) + (-8m+5) (-7m-4)
= -2m² + 18m + {-8m (-7m - 4) + 5 (-7m -4)}
= - 2m² + 18m + ( 56m + 32m - 35m - 20)
= -2m² + 18m + ( 53m - 20)
= -2m² + 18m + 53m - 20
= -2m² + 71m - 20
Answered by
0
Answer:
Yes the first one is the write answer
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