Mathematics: What are the solutions to the equation below? (x-4)(8x+64)=0 a) x=-4 and x=-8 b) x=-4 and x=48 c) x=4 and x=-8 d) x=4 and x=8

What are the solutions to the equation below? (x-4)(8x+64)=0

Ответ:

brianna8739

01.01.2022

So, as you can see, there are actually two equations here:
x- 4 = 0 and 8x+64=0
So, we need to solve both of them to get the solution.

x-4=0
x = 4

8x+64=0
8x=-64
x=-64/8
x=-8

So, the correct answer is C. x=4 and x=-8

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Ответ:

querline87

24.09.2020

Mathematics

2b+9

Step-by-step explanation:

(7-b)+(3b+2) ---> remove parenthesis

7-b+3b+2 ---> combine like terms

2b+9

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What are the solutions to the equation below?
(x-4)(8x+64)=0
a) x=-4 and x=-8
b) x=-4 and x=48
c) x=4 and x=-8
d) x=4 and x=8

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