Question

Solve the following quadratic equation by factorisation method.
5m²=22 m + 15​

Answer 1

Answer:

5m² - 22m - 15 = 0.

∴ 5m² - 25m + 3m - 15 = 0.

∴ 5m (m - 5) + 3(m - 5) =0.

∴ (m - 5) (5m + 3) = 0.

∴ m - 5 = 0 or 5m + 3 = 0.

∴ m = 5 or m = −3 / 5.

Step-by-step explanation:

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