How do you solve #-2x^2 - 6x - 4 = 0#?
1 Answer
Apr 25, 2018
Explanation:
#"take out a "color(blue)"common factor "-2#
#rArr-2(x^2+3x+2)=0#
#"the factors of + 2 which sum to + 3 are +1 and + 2"#
#rArr-2(x+1)(x+2)=0#
#"equate each of the factors to zero and solve for x"#
#x+2=0rArrx=-2#
#x+1=0rArrx=-1#
