Question

Dados os polinômios: F(x)= 12x7+7x6+4x4+10x3+4x2+2x+8 G(x)= 7x7+4x6+9x4+2x3+x2+9x+18​

Answer 1

Resposta:

$12x\cdot \:7+7x\cdot \:6+4x\cdot \:4+10x\cdot \:3+4x\cdot \:2+2x+8\\\\12x .7= 84x\\\\7x.6 = 42x\\\\4x.4= 16x\\\\10x.3=30x\\\\4x.2= 8x\\\\=84x+42x+16x+30x+8x+2x+8\\\\=182x+8\\\\\\\\7x\cdot \:7+4x\cdot \:6+9x\cdot \:4+2x\cdot \:3+x\cdot \:2+9x+18\\\\=7\cdot \:7x+4\cdot \:6x+9\cdot \:4x+2\cdot \:3x+11x+18\\\\7x.7=49x\\\\4x.6= 24x\\\\9x.4=36x\\\\2x.3= 6x\\\\=49x+24x+36x+6x+11x+18\\\\=126x+18$