What is the polynomial equation that has solutions -2, 1, and 4?
1 Answer
Aug 4, 2017
Explanation:
#"since the roots are"#
#x=-2,x=1" and " x=4#
#"then the factors are"#
#(x+2),(x-1)" and " (x-4)#
#"a possible polynomial is"#
#y=(x+2)(x-1)(x-4)#
#color(white)(y)=x^3+(2-1-4)x^2+(-2+4-8)x+2(-1)(-4)#
#color(white)(y)=x^3-3x^2-6x+8#