Question

qual o valor da expressao algebrica 4x²-3x + 5 para x igual a 2?

Answer 1

4.4-3.2+5= 16-6+5= 15

Answer 2

para x = 2

4x^2-3x+5
4*2^2-3*2+5
4*4-6+5
16-6+5
10+5
15