Is 6 a solution to the quotation 2x squared + 8 equals 80
2 answers:
Answer:
Step-by-step explanation:
2x²+8=80
2x²=80-8=72
x²=72/2=36
x=±√36
x=±6
so x=6 is one solution other is x=-6
No because 2(6) is 12 and that squared is 144
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