::GymQuiz-118::

demo1

Factorisation 2nde ⟳

✔ Factoriser 16x²-8x ➡ 8x(2x-1)
✔ Factoriser : 15x + 20 ➡ 5(3x+4)
✔ Factoriser : (x + 4)(3 − 5x) + (x + 4)(2x - 2) ➡ (x+4)(-3x+1)
✔ Factoriser : (x + 4)(3 − 5x) − (x + 4)(x - 2) ➡ (x+4)(-6x+5)
✔ Factoriser : x² + 10x + 25 ➡ (x + 5)²
✔ Factoriser : 4x² - 12x + 9 ➡ (2x - 3)²
✔ Factoriser : 9x² + 30x + 25 ➡ (3x + 5)²
✔ Factoriser : 16x² - 25 ➡ (4x - 5)(4x + 5)