Math cross word

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Across
  1. 1. 𝑥^2−7𝑥+10=0 x=?
  2. 3. trace of matrix Find the trace of the matrix [[5,1,0,3],[4,3,2,1],[1,5,4,0],[2,4,3,9]]
  3. 5. 5 factorial/ 3 factorial
  4. 7. f(x)=(3x2+5x+7)(x3+2x) find f'(1)
  5. 9. 7𝐶2+22
  6. 11. f(x)=x^2+3x+2
Down
  1. 2. (x^2-1)/(x-1)
  2. 4. reverse of sqrt(144)
  3. 6. (−3)^3+(−2)^4+(5^2−3^2)
  4. 8. ∫ of 0 to 2​(3x^2+2x+1)dx
  5. 10. 33(sin^2 30∘+cos^2 30∘)
  6. 12. log(10000) to the base 10