Factorise 8m square - 2m - 15 can someone do it quickly pls
1 answer:
Answer:
Step-by-step explanation:
8m² - 2m - 15
= 8m² - ( 12 - 10 ) m - 15
= 8m² - 12m + 10m - 15
= 4m(2m -3) + 5 ( 2m - 3)
=( 2m - 3)(4m + 5)
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