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What are the roots of 3x2 + 10 = 4x? A. B. C. D.

User Bunkar
by
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2 Answers

1 vote

Answer:


x=(2)/(3)\pm(√(26))/(3)i

Explanation:


3x^2+10=4x\\\\3x^2-4x+10=0\\\\x=(-b\pm√(b^2-4ac))/(2a)\\ \\x=(-(-4)\pm√((-4)^2-4(3)(10)))/(2(3))\\ \\x=(4\pm√(16-120))/(6)\\ \\x=(4\pm√(-104))/(6)\\ \\x=(4\pm2√(26)i)/(6)\\ \\x=(4)/(6)\pm(2√(26))/(6)i\\\\x=(2)/(3)\pm(√(26))/(3)i

User Bengie
by
2.7k points
14 votes
4x=4x4
3x2+10=16
What are the numbers for A,b,c,d
User ABlaze
by
3.3k points