Ineed answering this question. (x+4)(x2-3x-7) (x2 is x to the power of 2)

x³ + x² - 19x - 28

Step-by-step explanation:

(x+4)(x²-3x-7)

x³ - 3x² - 7x + 4x²- 12x - 28

x³ - 3x² + 4x² - 7x - 12x -28

x³ + x² - 19x -28

b. 6

step-by-step explanation:

we are given the table representing an exponential function.

we can see from the table that, as x is increasing, the value of y is increasing in the power of 6.

i.e. the following relation is obtained,

x = 1, y = 6

x = 2, y = 36 =

x = 3, y = 216 =

x = 4, y = 1296 =

x = 5, y = 7776 =

so, the geometric series obtained is .

thus, the common ratio is given by = = 6.

hence, the common ratio is 6.