(x+1) (x+4) (x+7) expand
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Answered by
0
Answer:
X+1*X+4*X+4
3x=5
X=3/5
Answered by
1
Answer:
(x+1) (x+4) (x+7)
=(x^2+4x+x+4)(x+7)
=(x^2+5x+4)(x+7)
=x^3+7x^2+5x^2+35x+4x+28
=x^3+12x^2+39x+28
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