m2-5m-24 factorise with explainenation
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Step-by-step explanation:
Find 2 numbers knowing sum (-5) and product (-24). These 2 numbers have opposite signs because ac < 0.
Factor pairs of (-24) -->...(-3, 8)(3, -8). This sum is (- 5), then these 2 numbers are: 3 and -8.
y = (m + 3)(m - 8)
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m² - 5m - 24
= m² - 8m + 3m - 24
= m (m - 8) + 3 (m - 8)
= (m - 8) (m + 3)
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= m² - 8m + 3m - 24
= m (m - 8) + 3 (m - 8)
= (m - 8) (m + 3)
Hope it helps you
Mark me as a brainlist please ❤️❤️
Bye ☺️
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