Is (m‒5)(m+5)=m2‒10?
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Answer:
No , it is m² - 25
Step-by-step explanation:
(m+5)(m-5) = m² - (5)² As it is in the form of a plus b into a minus b , that comes to be a square - b square
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(m - 5)(m + 5) = 2m - 10
⇒ m - 5m - 25 = 2m - 10
⇒ m - 5m - 2m = -10 + 25
⇒ -6m = 15
⇒ 6m = -15
⇒ m = -15/6
⇒ m = -5/2
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