factorise a^2(b+c) - (b+c)^3
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Step-by-step explanation:
˙❥˙Ɩɛɬ ɓ + c = x
∴ α²( ɓ + c ) - ( ɓ + c )³ = α² x - x³
= x ( α² - x² )
∵ x = ɓ + c
α²( ɓ + c ) - ( ɓ + c )³
☞= (ɓ + c) ( α² - ( ɓ + c )² ) ←ᴀɴꜱ
♥️hope it's help you ✨⭐
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