Solve x2 + 4x + 1 = 0. a) x equals the quantity of 4 plus or minus square root 12 all over 2 b) x equals negative 4 plus or minus square root 3 c) x equals negative 2 plus or minus square root 3 d) x equals the quantity of 4 plus or minus square root 13 all over 2

Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!