factorise the following 8a2−22ab+15b2
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Answer:
(2a-3b)(4a-5b)
Step-by-step explanation:
8a2-22ab+15b2
8a2-12ab-10ab+15b2
4a(2a-3b)-5b(2b-3a)
(2a-3b)(4a-5b)
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