document.write( "Question 1172358: I need help asap with the following much appreciated.
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document.write( "Find all the zeros of the polynomial function by graphing on the calculator to narrow down the real solutions, then use synthetic division until you get a quadratic to solve. Solve the quadratic equation to complete the list of zeros.
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document.write( "7. h(x) = x^3 − 3x^2 − x + 3 \r
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document.write( "8. f(x) = x^4 − 4x^3 − 20x^2 + 48x\r
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document.write( "9. g(x) = x^3 + 5x^2 + x + 5
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document.write( "10. g(x) = x^4 − 9x^3 + 23x^2 − 81x + 126
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Algebra.Com's Answer #797373 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! x^3-3x^2-x+3=h(x) \n" ); document.write( "x^2(x-3)-(x-3)=h(x) \n" ); document.write( "=(x^2-1)(x-3)=(x+1)(x-1)(x-3) \n" ); document.write( "zeros are -1, 1, 3 \n" ); document.write( " \n" ); document.write( "- \n" ); document.write( "factor out an x \n" ); document.write( "x(x^3-4x^2-20x+48) \n" ); document.write( "2 is a root. \n" ); document.write( "1--- -2---- -24----0 \n" ); document.write( "(x^2-2x-24)(x-2)(x) \n" ); document.write( "factors are (x-6)(x+4)(x-2)*(x) \n" ); document.write( "roots are -4,0,2,6 \n" ); document.write( " \n" ); document.write( "- \n" ); document.write( "factor by grouping into (x^3+5x^2)+(x+5) \n" ); document.write( "(x^2+1)(x+5) with only zero at x= -5. \n" ); document.write( " \n" ); document.write( "- \n" ); document.write( "graph \n" ); document.write( " \n" ); document.write( "roots are 2 and 7 \n" ); document.write( " |