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cupoosta [38]
2 years ago
7

Solve the equation. 4x2 – 8 = 56 2, –2 16, –16 8, –8 4, –4

Mathematics
2 answers:
Marta_Voda [28]2 years ago
6 0

Answer:

8,-8

Step-by-step explanation:

jok3333 [9.3K]2 years ago
5 0

Answer:

4,-4

Step-by-step explanation:

4x2-8=56 is our equation.

  1. First we add 8 on both sides to get rid of the "-8" on our equation,we do it on both sides because when you do something on one side of an equation you have to do it on the other.
  2. That will leave us with: 4x2=64
  3. So we will solve our exponent: 4x2
  4. Then we will have: 16x=64 because 4 times 4 is 16
  5. Then we will divide by 16 on both sides to get rid of "16" in "16x"
  6. That will leave us with: x=4 for our answer! :>
  7. I hope this helped.
  8. And please give me brainliest.
  9. I am trying to get more brainliest.
  10. Thank you!
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