Answer:
Explanation:
4x^2+9x+2
4x^2+(8+1)x+2
4x^2+8x+x+2
4x(x+2)+1(x+2)
(4x+1)(x+2)
4x²+9x+2= 4x²+8x+x+2= 4x(x+2)+1(x+2)=(4x+1)(x+2)
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