Question

(5y-3) .(5y-3 )+(y-2). (y-2)

Answer 1

Resposta:

26y²-34y+13

Explicação passo-a-passo:

(5y-3)(5y-3 )+(y-2)(y-2)

(5y-3)²+(y-2)²

(5y)²+2*5y*(-3)+(-3)²+y²+2*y*(-2)+(-2)²

25y²-30y+9+y²-4y+4

25y²+y²-30y-4y+9+4

26y²-34y+13