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Examine whether x+2 is a factor of x3 + 3x2 + 5x + 6. |
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Answer» Ok {tex}P(x)=x^3+3x^2+5x+6{/tex}g(x)=x+2 x=-2put x=-2 in p(x){tex}p(-2)=(-2)^3+3(-2)^2+5(-2)+6{/tex} =-8+12-10+6 =0since p(x) is zero\xa0x+2 is a factor of\xa0{tex}x^3+3x^2+5x+6{/tex} |
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