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secondary 2 | Maths
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Date Posted: 3 years ago
Views: 303
3x²+48x+189
= 3 • (x²+16x+63)
= 3 • ( (x+8)²-1 )
= 3(x+9)(x+7)【x=10】
= 3×19×17
= 3 • (x²+16x+63)
= 3 • ( (x+8)²-1 )
= 3(x+9)(x+7)【x=10】
= 3×19×17
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Date Posted:
3 years ago
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