3x+4=25 please this will help alot​

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)

Which table represents a linear function? i'll give brainliest to first answer ^'^

What is the measure of one interior angle of a pentagon