Respuesta :
You need to know what X is equivalent to. in this EXAMPLE I will use 2
3(2 squared) + 5(2) - 7
3(4) + 10-7
12 + 10 - 7
22 - 7 = 14
the answer is 14 IF X EQUALS 2
X might not equal two in your case
3(2 squared) + 5(2) - 7
3(4) + 10-7
12 + 10 - 7
22 - 7 = 14
the answer is 14 IF X EQUALS 2
X might not equal two in your case