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lana66690 [7]
3 years ago
13

Answer these three for me pls guys

Mathematics
1 answer:
Nataliya [291]3 years ago
8 0
11) X= 7, X= -7
(X+7)(X-7)=X^2+7X-7X-49=X^2-49

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Complete the statement: If 8 = m/4 then m - 12 = ?. Explain.
andre [41]
Solve for m:
8 = m/4

8 = m/4 is equivalent to m/4 = 8:
m/4 = 8

Multiply both sides of m/4 = 8 by 4:
(4 m)/4 = 4×8

(4 m)/4 = 4/4×m = m:
m = 4×8

4×8 = 32:
Answer:  m = 32 thus m - 12 = 32 -12 = 20
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2 years ago
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