9 X square + 6 X + 1 factorise it
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25
Bonjour!
9x² + 6x + 1
9x² + 3x + 3x + 1
3x(3x + 1) + 1(3x + 1)
⏩ (3x+1)(3x+1)
9x² + 6x + 1
9x² + 3x + 3x + 1
3x(3x + 1) + 1(3x + 1)
⏩ (3x+1)(3x+1)
Anonymous:
thanks so much for answering
Answered by
6
9x^2+6X+1 in the form of (a+b) whole square =)(3x+1)whole square
9x^2+6x+1= (3x)(3x) + 2×3x×1 + (1)(1)= a×a + 2a×b + b×b= a+b×a+b= 3x+ 1× 3x+1
9x^2+6x+1= (3x)(3x) + 2×3x×1 + (1)(1)= a×a + 2a×b + b×b= a+b×a+b= 3x+ 1× 3x+1
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