Question #569e1
1 Answer
Dec 27, 2017
Explanation:
#"expanding the factors"#
#"given "(x+a)(x+b)(x+c)" then expansion"#
#=x^3+(a+b+c)x^2+(ab+bc+ac)x+a.b.c#
#rArr(x-6)(x-4)(x+2)#
#=x^3+(-6-4+2)x^2+(24-8-12)x+(-6).(-4).2#
#=x^3-8x^2+4x+48larrcolor(red)"in standard form"#
