(m + 5) (m - 5) + 50 = ______.
Answers
Answered by
3
Answer:
Step-by-step explanation:
(m+5)(m-5)+50
=m²-5²+50
(because of the identity (a+b)(a-b)=a²-b²)
=m²-25+50
=m²+25
hope it will help you :)
Answered by
0
Answer:
25
Step-by-step explanation:
(m+5)(m-5)+50
m+5+m-5+50
m²=5-5+50
m²=50
m=50/2
m=25
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