Question

Solve. x^2-2x-15=0

Answer 1

I got x=5 and x=3

Answer 2

factor

(x - 5)(x + 3)

Answer 3

(x - 5)(x + 3) = 0 is the factorised form now solve

x - 5 = 0 and x + 3 = 0 to get the solutions

Answer 4

x = 5, x = -3

Answer 5

what times what gives 15 and adds or subtracts to -2

Answer 6

That is the mind set of factoring

Answer 7

thnaks guys