0
3x + 5x + 10 = 0
a = 3, b = 5, c = 10
D = b - 4ac = 25 - 120 = -95
Since D < 0, we have two conjugate complex roots.
√D = √-95 = i√95
x = (- b ± √D)/2a
x = -5/6 + [(√95)/6]i or x = -5/6 -[(√95)/6]i
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Does y equals 3x2 minus 5x plus 1 cross the x axis?
Yes, it crosses at (0.23,0) and (1.43,0).
5x plus 2 equals x plus 10?
5x+2=x+10 5x-x=10-2 4x=8 x=2
4x - 10 plus 5x equals 71?
4x - 10 + 5x = 719x = 81x = 9
5x plus 2 equals 2x-10?
5x+2=2x-10 x=-4
What is 5x plus 10 equals 240?
240-10=5x 5x=230 230/5=46 x=46
Does y equals 3x2 minus 5x plus 1 cross the x axis?
Yes, it crosses at (0.23,0) and (1.43,0).
5x plus 2 equals x plus 10?
5x+2=x+10 5x-x=10-2 4x=8 x=2
What is 3x squared plus 5x plus 2?
3x2 + 5x + 2 is a quadratic expression that can be factored as follows: 3x2 + 5x + 2 = 3x2 + 3x + 2x + 2 = 3x(x + 1) + 2(x + 1) = (3x + 2)(x + 1)
What is the answer to 5x plus 10 equals 40?
5x+10=40 5x+10-10=40-10 5x=30 5x/5=30/5 x=6
4x - 10 plus 5x equals 71?
4x - 10 + 5x = 719x = 81x = 9
5x plus 2 equals 2x-10?
5x+2=2x-10 x=-4
What is this quadratic equation written in standard form of x2 - 2 equals -2x2 plus 5x?
It is: 3x2-5x-2 = 0 and the value of x is -1/3 or 2 when solved
What is 5x plus 10 equals 240?
240-10=5x 5x=230 230/5=46 x=46
What is 5x plus 10 equals 60?
5x+10=60 5x=50 5/5=1 50/5=10 So the answer is 10
What is the answer to 5x plus 25 equals 10?
5x+25=10 5x+25-25=10-25 5x=-15 5x/5=-15/5 x=-3
-5x plus 7 equals 57?
x=-10
What is 4x plus 55 equals 9x plus 10?
4x + 55 = 9x + 10 55 = 5x + 10 45 = 5x x = 9
