document.write( "Question 1172358: I need help asap with the following much appreciated.
\n" ); 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.
\n" ); document.write( "7. h(x) = x^3 − 3x^2 − x + 3 \r
\n" ); document.write( "\n" ); document.write( "8. f(x) = x^4 − 4x^3 − 20x^2 + 48x\r
\n" ); document.write( "\n" ); document.write( "9. g(x) = x^3 + 5x^2 + x + 5
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\n" ); 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)\"\" \"About 
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( "\"graph%28300%2C300%2C-10%2C10%2C-10%2C10%2Cx%5E3-3x%5E2-x%2B3%29\"
\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( "\"graph%28300%2C300%2C-10%2C10%2C-100%2C100%2Cx%2A%28x-2%29%28x%5E2-2x-24%29%29\"
\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( "\"graph%28300%2C300%2C-10%2C10%2C-10%2C100%2Cx%5E3%2B5x%5E2%2Bx%2B5%29\"
\n" ); document.write( "-
\n" ); document.write( "graph
\n" ); document.write( "\"graph%28300%2C300%2C-10%2C10%2C-100%2C1000%2Cx%5E4-9x%5E3%2B23x%5E2-81x%2B126%29\"
\n" ); document.write( "roots are 2 and 7
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