8a²-45b² : factorise
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Answer:
Step-by-step explanation:
8a^2-45b^2=0
=>(8a-45b)(8a+45b)=0
=>8a-45b=0 or, =>8a+45b=0
=>8a=45b or, =>8a=-45b
=>a=45b/8 or, =>a=-45b/8
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