0
X2 + 3X - 18 = 0
What two factors of - 18 add up to 3 ??
(X - 3)(X + 6)
============so, by the zero sum rule,
X = 3
X = - 6
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What is x2 plus 7x equals - 2x2 plus 6 in the form ax2 bx c equals 0?
x2 + 7x = 2x2 + 6 x2 - 2x2 + 7x = 6 -x2 +7x - 6 = 0 or alternatively x2 - 7x + 6 = 0
Solution set of x2 plus 49 equals 0?
x2 + 49 = 0 ∴ x2 = -49 ∴ x = 7i
X2 plus 3x plus 10 equals 0?
-2
X2 plus y2 plus 4x - 2y - 5 equals 0?
No.
What is the square of x2 plus 12x plus 20 equals 0?
168
How do you solve x2 plus 3x plus 3 0?
x2 plus 3x plus 3 is equals to 0 can be solved by getting the roots.
What is x2 plus 7x equals - 2x2 plus 6 in the form ax2 bx c equals 0?
x2 + 7x = 2x2 + 6 x2 - 2x2 + 7x = 6 -x2 +7x - 6 = 0 or alternatively x2 - 7x + 6 = 0
X2-8x plus 32 equals 0?
no
Solution set of x2 plus 49 equals 0?
x2 + 49 = 0 ∴ x2 = -49 ∴ x = 7i
X2 plus 3x plus 10 equals 0?
-2
X2 plus y2 plus 4x - 2y - 5 equals 0?
No.
What is the square of x2 plus 12x plus 20 equals 0?
168
How do you answer the problem x2 plus 10x plus equals 0?
x2 + 10x = 0 x2 + 10x + 25 = 25 (x + 5)2 = 25 x + 5 = +-5 x1 = 0 x2 =10
What is the point of intersection of the parabolas y equals x2 plus 20x plus 100 and y equals x2 -20x plus 100 showing work?
If: y = x2+20x+100 and x2-20x+100 Then: x2+20x+100 = x2-20x+100 So: 40x = 0 => x = 0 When x = 0 then y = 100 Therefore point of intersection: (0, 100)
Can you put the equation x2 - 5 -4x2 plus 3x equals 0 in the form ax2 plus bx plus c equals 0?
x2-5-4x2+3x = 0 -3x2+3x-5 = 0 or as 3x2-3x+5 = 0
X2 plus 10x plus 22 equals 0?
x = -3.27 or -6.73
Is x2-y2 plus 49 equals 0 a function?
Yes
