Question

Solve.
5q2 + 20 = 425


Question 2 options:



{–9, 9}



{–81, 81}



{–85, 85}



{–9, 81}

Answer 1

Answer:

5q^2 = 405

q^2 = 81

q = 9, -9

Step-by-step explanation:

Answer 2

Answer:

{–9, 9}

Step-by-step explanation:

5q² + 20 = 425

5q² = 405

q² = 81

q = 9, -9