0
-171 = 19x so x = -9
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Factorise x2 - 10x plus 21?
(x-7)(x-3)
What is 31 plus 21 equals?
The mathematical statement 31 plus 21 equals 52 as a total.
What is 10 plus 21 equals?
The statement 10 plus 21 equals 31 in total. It can also be written as 10 + 21 = 31.
What is the answer to C over 3 plus 4 equals 11?
The answer is 21 because if 21 is divided by 3 it equals 7 plus 4 equals 11.
What is the answer to the equation 2x plus 3 equals 9 x equals?
21
What is X2 plus 10x plus 21 equals?
x2 + 10x + 21 = (x + 3)(x + 7)
What is the answer for 2x - 3 equals 21 plus 10x?
2x-3 = 21+10x 2x-10x = 21+3 -8x = 24 x = -3
2x-3 equals 10x plus 21?
2x-3=10x+21 2x-3-2x=10x+21-2x -3=8x+21 -3-21=8x+21-21 -24=8x -3=x
X2 plus 10x plus 21 by x plus 3?
(x2+10x+21)/(x+3) = (x+7)
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 -3x plus 10x - 5 plus 26?
-3x + 10x - 5 + 26 = 7x + 21
What is ten x plus fifteen equals seven x minus twenty-one simplified?
10x+15 = 7x-21 10x-7x = -21-15 3x = -36 x = -12 Which is the solution to the above equation when simplified.
X2 plus 10x plus 21 Enter each factor as a polynomial in descending order?
x2+10x+21 = (x+3)(x+7)
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!
X2 plus 10x plus 21 equals 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.
What is the factorization of x2 plus 10x plus 21?
x2 + 10x + 21 = (x + 3)(x + 7) You need to find 2 numbers which sum to 10 and whose product of 21. In this case 3 + 7 = 10 and 3 x 7 = 21.
Factorise x2 - 10x plus 21?
(x-7)(x-3)
