Question

solve 5Msquare-22m-15=0​

Answer 1

5m² - 22m -15 = 0

⟹ 5m² - 25m + 3m -15 =0

⟹ 5m(m -5) +3(m-5) =0

⟹ (5m +3)(m-5) = 0

⟹ (5m +3) = 0

⟹ m = -3/5

⟹ (m-5) = 0

⟹ m = 5

⟹ Roots/solutions are -3/5 & 5

Answer 2

Explanation:

5m^2 - 22m - 15

= 5m^2-25m +3m - 15

= 5m(m-5) + 3(m-5)

= (5m+3)(m-5)

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