Correct Answer: Option E

Explanation

3a + 10 = a\(^2\)

a\(^2\) - 3a - 10 = 0

a\(^2\) - 5a + 2a - 10 = 0

a(a - 5) + 2(a - 5) = 0

(a - 5)(a + 2) = 0

a = 5 or a = -2.

• If the power of a lens is +2.5D. Calculate the radius of curvature (a). 80cm (b). 40cm (c). 25cm (d).... Answer this

  1 Answers   ·   Physics   ·   3 days ago
• Subjects to learn under petroleum engineering? Answer this

  1 Answers   ·   3 days ago
• what is the cut of mark for medical doctor in university and list all the university? Answer this

  1 Answers   ·   1 day ago