Question

3) 7(a2 + 2) - 4(a + 3)(a − 3) + 3a+ 24 = 6a² + 74;
4) 10(a2 - 15) - 12(a - 4)(a + 4) + 8 - а² = 50 - 3а²
помогите​

Answer 1

3)а1=0; а2=17/10
4)а1=0; а2=2