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Earn +20 ptsQ: What is X2 plus 10x plus 21 equals?
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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
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!
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