I’ll give brainliest

Which shows one way to determine the factors of  x3  +  5x2  –  6x  –  30 by grouping? x(x2  –  5)  +  6(x2  –  5)x(x2  +  5)  –  6(x2  +  5)x2(x  –  5)  +  6(x  –  5)x2(x  +  5)  –  6(x  +  5)

What is the upper quartile in the box plot?

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1