Question

1.ײ-8×+15=...??
2.ײ+3×-18=...…??
3.t²+2tu-15ײ=....?

Answer 1

1. x² - 8x + 15
=> x² - 8x + 15 = 0
=> (x - 3)(x - 5) = 0
2. x² + 3x - 18
=> x² + 3x - 18 = 0
=> (x - 3)(x + 6) = 0
3. t² + 2tx - 15x²
=> t² + 2tx - 15x² = 0
=> (t - 3x)(t + 5x) = 0