Q: X squared plus 9 equals x squared minus 9?

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It is a quadratic equation and its solutions are: x = 4 or x = -9

Using the discriminant for a quadratic equation the value of k works out as plus or minus 12.

44

8M - 4M - 6 - 3 + 5M = 82 - 1 9M - 9 = 64 - 1 9M - 9 = 63 9M - 9 +9 = 63 + 9 9M = 72 9M/9 = 72/9 M = 8

5. Just do 9 minus 4. 5 plus 4 equals 9

Related questions

7(3y-2)-(-4y+9)

{-1,7}

It is: 9-4 = 5

It is a quadratic equation and its solutions are: x = 4 or x = -9

Using the discriminant for a quadratic equation the value of k works out as plus or minus 12.

X = √63

2 squared plus 2 x 3 = 10, 7 squared plus 7 x 2 = 63, 6 squared plus 6 x 5 = 66,8 squared plus 8 x 4 = 96 so 9 squared plus 9 x 7 = 81 + 63 = 144.

44

(x - 1)(2x - 9)

Solve this problem -x squared -40x- 80 =0

5. Just do 9 minus 4. 5 plus 4 equals 9

8M - 4M - 6 - 3 + 5M = 82 - 1 9M - 9 = 64 - 1 9M - 9 = 63 9M - 9 +9 = 63 + 9 9M = 72 9M/9 = 72/9 M = 8