Hi,
(a+b)(a-b=a²-b²
Thus (9x)²-5²=81x²-25
Answer:
-1(4c+1)(c-5)
Step-by-step explanation:
First get rid of the negative by factoring out -1, then determine what factors of 5, the constant term(the number without the x), multiply by 4 to add up to -19. The only factors of 5 are 1 and 5, so we will use these. (4c+1)(c-5) can be "foiled" to check our answer.
Answer:I’m not sure maybe the 2nd one!:))Mahelps a lot!!
If 2m and 8m are the base and height of the parallelogram, then the area is 16.
The answer is 20. n If u like my answer plz award me brainliest award