Question

Rectangle A has an area of 4 - x^2. Rectangle B has an area of x^2 + 2x - 8. In simplest form, what is the ratio of the area of Rectangle A to the area of Rectangle B? Show your work.

Answer 1

I have HALF an hour to do two test to finish this course or I FAIL. please help.

Answer 2

factorise x^2 + 2x - 8

Answer 3

=(x+ ... )(x- ...)

Answer 4

also factorise 4 - x^2


use (a^2-b^2)=(a+b)(a-b)

Answer 5

@UnkleRhaukus sadly I do not have the time to do that.