Q: X2 plus 10x plus 22 equals 0?

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-2-5

x2 + 10x + 21 = (x + 3)(x + 7)

For a start you tell us what the expression equals....

-6

x2+10x+1 = -12+2x x2+10x-2x+1+12 = 0 x2+8x+13 = 0 Solving by using the quadratic equation formula: x = - 4 - or + the square root of 3

Related questions

-2-5

x2 + 10x + 21 = (x + 3)(x + 7)

x2 + 10x = 0 x2 + 10x + 25 = 25 (x + 5)2 = 25 x + 5 = +-5 x1 = 0 x2 =10

x2 + 9 = 10x x2 - 10x + 9 = 0. (x - 9)(x - 1) = 0. Therefore, x = 1 or 9.

For a start you tell us what the expression equals....

-6

Twenty-Five x2 + 10x = 8 x2 + 10x + 25 = 8 + 25 (x + 5)2 = 33

x2+10x+1 = -12+2x x2+10x-2x+1+12 = 0 x2+8x+13 = 0 Solving by using the quadratic equation formula: x = - 4 - or + the square root of 3

x2 - 10x + 25 = 0(x - 5)(x - 5) = 0x - 5 = 0x = 5

(x + 8)(x + 2)

x2+10x-336

x2+10x+1 = -12+2x x2+8x+13 = 0 The solution: x = -4 + the square root of 3 or x = -4 - the square root of 3