How do you factor #3x^2+36x+105#?
2 Answers
May 18, 2018
Explanation:
#"take out a "color(blue)"common factor "3#
#=3(x^2+12x+35)#
#"to factor the quadratic"#
#"the factors of + 35 which sum to + 12 are + 5 and + 7"#
#=3(x+5)(x+7)#
May 18, 2018
Explanation:
A quadratic polynomial can be factored if it has zeroes: you can write
if
So,
Thus,