Respuesta :
Answer:
Step-by-step explanation:
(x+5)²-(x-3)(x+5)
(x²+2x times 5+5²)-(xx+x Times 5-3x-3 times 5)
(x²+2 times 5x+25)-(x¹⁺¹+5x-3x-15)
(x²+10x+25)-(x²+5x-3x-15)
(x²+10x+25)-(x²+2x-15)
x²+10x+25-x²-2x+15
x²-x²+10x-2x+25+15
8x+40
Answer:
Step-by-step explanation:
(x+5)²-(x-3)(x+5)
(x²+2x times 5+5²)-(xx+x Times 5-3x-3 times 5)
(x²+2 times 5x+25)-(x¹⁺¹+5x-3x-15)
(x²+10x+25)-(x²+5x-3x-15)
(x²+10x+25)-(x²+2x-15)
x²+10x+25-x²-2x+15
x²-x²+10x-2x+25+15
8x+40
