7. Use substitution to write an equivalent quadratic equation for the polynomial below. Then solve
for the roots by factoring. Compare the imaginary roots to the Code Breaker Guide to determine
the seventh piece of the code. (Hint: Review the "Quadratic in Form Polynomials" lesson to
review substitution.)
Quadratic Equation:
Real Roots:
Imaginary Roots:
Code Piece:
x+9x²-10=0
fof