1. 12 + 8a + 4a^2
2. Factorise -5x^2 + 27x - 10
Please show me full working out. Thank you!
4 (a^2 + 2 a + 3)
-1(5x^2-27x+10)
-1(5x-2)(x-5)
2. Factorise -5x^2 + 27x - 10
Please show me full working out. Thank you!
-1(5x^2-27x+10)
-1(5x-2)(x-5)