Question

4) Efetue multiplicaçás:
al(x+3). (x+4)
B)(x3+5).(x+5)
pfv gente me ajudem❤​

Answer 1

$\tt a)~\sf(x+3)(x+4)=x^2+(3+4)x+3\cdot4\\\sf=x^2+7x+12\\\tt b)~\sf(x^3+5)(x+5)=x^4+5x^3+5x+25$