Question

3) Determine o valor numérico de 4x4 - 5x3 + 2x2 + 10x - 6, para x = 3​

Answer 1

Resposta:

4×4 - 5×3 + 2×2 + 10x - 6=

16 - 15 + 4 + 10×3 - 6=

16 - 15 + 4 + 30 - 6=

= 29

Answer 2

Resposta:

$4x\cdot \:4-5x\cdot \:3+2x\cdot \:2+10x-6\\\\16x-5\cdot \:3x+2\cdot \:2x+10x-6\\\\16x-15x+2\cdot \:2x+10x-6\\\\16x-15x+4x+10x-6\\\\15x-6$