shaymas9umin8e shaymas9umin8e

23-11-2016
Mathematics

Answered

What are the solutions to the equation below?

(x-4)(8x+64)=0

Ax=-4 and x=-8
Bx=-4 and x=48
Cx=4 and x=-8
Dx=4 and x=8

Verified Answer :

Greenleafable Greenleafable

06-12-2016

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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