please solve this problem fast and full explanations
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please solve this problem fast and full explanations
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Answer:
x^2+[x=1]+[x+2]^2=110
3x^2+6x+5=110
3x^2+6x-105=0
3x^2+21x-15x-105=0
3x[x-7]-15[x-7]=0
x=7or5
Step-by-step explanation: