Answer:
The reasonings I provided are just examples (they are true, though!). Hope this helps!
A number that can be represented as a decimal
1 answer:
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Answer:
x = 6 x = -7
Step-by-step explanation:
Subtract 12 from each side:
x^2 + x - 30 - 12 = 12 - 12
Simplify:
x^2 + x - 42 = 0
Solve with quadratic formula using both +/- after the first -1:
x =
Simplify:
x = 6
x = -7