Which figure could be the result of dilating this triangle with a scale factor greater than 1?

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

This question is hard for me to answer can you me. the question is find the value of x.

Harold took five different samples of thirty-five randomly selected students from the 520 students he surveyed. the means of the samples are shown below. sample mean sample 1: 3.4 sample 2: 3.2 sample 3: 4.1 sample 4: 4.6 sample 5: 3.1 the predicted mean of the population will fall between 3.1 and ?