find the zeros of the equation f(x) = x2 + 2x - 3
Solve for x: x^2+2 x-3 = 0 The left hand side factors into a product with two terms: (x-1) (x+3) = 0 Split into two equations: x-1 = 0 or x+3 = 0 Add 1 to both sides: x = 1 or x+3 = 0 Subtract 3 from both sides: Answer: | x = 1 or x = -3
