Question

(3x²+6x+2)(5x²+6x+7)​

Answer 1

Respuesta:

(3x²+6x+2)(5x²+6x+7)​

3x²×5x²+3x²×6x+3x²×7+6x×5x²+6x×6x+6x×7+2×5x²+2×6x+2×7

3×5x²x²+3×6x²x+3×7x²+6×5x²x+6×6xx+6×7x+2×5x²+2×6x+2×7

=15$x^{4}$+48$x^{3}$+67x²+54x+14