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40. x^2-12 x-28 41. -8 x^2+6 x+5 42. x^3-1

Question

40. x^2-12 x-28 41. -8 x^2+6 x+5 42. x^3-1

40. x^2-12 x-28 
41. -8 x^2+6 x+5 
42. x^3-1

Solution

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ZebElite · Tutor for 8 years

Answer

40. (x-14)(x+2)<br />41. -(4x-5)(2x+1)<br />42. (x-1)(x²+x+1)<br />
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