0
The roots are -3 and -7.
Easily by factoring and setting each factor equal to 0.
The factors are x + 7 and x +3.
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∙ 14y ago
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What is X2 plus 10x plus 21 equals?
x2 + 10x + 21 = (x + 3)(x + 7)
X2 plus 10x plus 21 by x plus 3?
(x2+10x+21)/(x+3) = (x+7)
How do you answer - x2-10x plus 24 equals?
For a start you tell us what the expression equals....
X2 plus 10x plus 22 equals 0?
x = -3.27 or -6.73
What is this quadratic equation written in standard form ofx2 - 10x plus 16 equals -5?
It is: x2-10x+21 = 0 and the value of x is 3 or 7 when solved
What is X2 plus 10x plus 21 equals?
x2 + 10x + 21 = (x + 3)(x + 7)
X2 plus 10x plus 21 by x plus 3?
(x2+10x+21)/(x+3) = (x+7)
X2 plus 10x plus 21 Enter each factor as a polynomial in descending order?
x2+10x+21 = (x+3)(x+7)
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 answer to x2 plus 9 equals 10x?
x2 + 9 = 10x x2 - 10x + 9 = 0. (x - 9)(x - 1) = 0. Therefore, x = 1 or 9.
How do you answer - x2-10x plus 24 equals?
For a start you tell us what the expression equals....
X2 plus 10x plus 22 equals 0?
x = -3.27 or -6.73
What is this quadratic equation written in standard form ofx2 - 10x plus 16 equals -5?
It is: x2-10x+21 = 0 and the value of x is 3 or 7 when solved
X squared plus 10x plus 21 divided by x plus 3?
Factorising, we obtain, x2 + 10x + 21 = (x + 7)(x + 3). Thus, x2 + 10x + 21 / (x + 3) = x + 7. That's usually easier than dividing it out!
What number completes square x2 plus 10x equals 31?
-6
Find the vertex of y equals x2 plus 10x plus 22?
-2-5
What number must you add to complete the square x2 plus 10x equals 8?
Twenty-Five x2 + 10x = 8 x2 + 10x + 25 = 8 + 25 (x + 5)2 = 33
