Math, asked by akyparihar, 2 days ago

7m²-63=0by using factorisation method

Answers

Answered by amitsharma777222999

0

Step-by-step explanation:

7(m^2-9)=0

7(m-3)(m+3)=0

m-3=0. m+3=0

m=3. m=-3

Answered by Sirat4

0

Answer:

m is ±3

Step-by-step explanation:

7m² - 63 = 0

7m² = 63

m² = 63/7

m² = 9

m = √9

m = ±3

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