x²-4x+12=0
x²+7x=0
x²+9=0
x²=9
needed before tomorrow. with explanation pleasee.thank you berrymuch!
x²+7x=0
x²+9=0
x²=9
needed before tomorrow. with explanation pleasee.thank you berrymuch!
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Answer:
1. X=-2| X=
2. X=0|X=-7
3. X=+-√-36/
4. X=3|X=-3
Step-by-step explanation: