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x2 + 49
= x2 - (-49)
= x2 - (-1)(49)
= x2 - (i2)(72)
= x2 - (7i)2
= (x - 7i)(x + 7i)
where i is the imaginary square root of -1.
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∙ 12y agoThis answer is:
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Anonymous
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∙ 3y ago(X+7)(x-7)
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Solution set of x2 plus 49 equals 0?
x2 + 49 = 0 ∴ x2 = -49 ∴ x = 7i
Is this trinomial a trinomial square x2 plus 14x plus 49?
x2+14x+49 = (x+7)(x+7) when factored
What are the factors of 49 plus 14x plus x2?
51.07142857142857
X2 plus y2 equals 49 what is its radius?
7
Is x2-y2 plus 49 equals 0 a function?
Yes
Related questions
What is x2 plus 14x plus 49?
(x2 + 14x + 49) = (x + 7)2
Solution set of x2 plus 49 equals 0?
x2 + 49 = 0 ∴ x2 = -49 ∴ x = 7i
49 plus 14x plus 2 equals?
-x2+14x=49
How do you Factor x2-14x plus 49?
x2 - 14x + 49(x - 7) (x - 7)
Is this trinomial a trinomial square x2 plus 14x plus 49?
x2+14x+49 = (x+7)(x+7) when factored
What are the factors of 49 plus 14x plus x2?
51.07142857142857
How do you Factoring perfect square of x2-14x plus 49?
x2 - 14x + 49 = (x - 7)2
X2 plus y2 equals 49 what is its radius?
7
Is x2-y2 plus 49 equals 0 a function?
Yes
What number must you add to complete the square of x2 plus 14x equals -7?
49 x2 + 14x = -7 x2 + 14x + 49 = 42 (x + 7)2 = 42 x = -7 ± √42
If the equation of a circle is x2 plus y2 equals 49 what is its radius?
7
How do you find the intercepts for the equation x2 plus y-49 equals 0?
x2 + y - 49 = 0At the x-intercepts, y=0:x2 - 49 = 0(x+7)(x-7) = 0x = -7 and x = +7At the y-intercept, x=0:y - 49 = 0y = 49
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