Question

решите плизз срочно нужно

Answer 1

Ответ:

1. 8x³+y³ = (2x+y)(4x²-2xy+y²)

2. 27y³-125x³ = (3y-5x)(9y²+15xy+25x²)

3. (x-5)²+2x(x-3) = x²-10x+25+2x²-6x = 3x²-16x+25

4. (x-7)²+3 = (x-2)(x+2)

x²-14x+49+3 = x²-4

-14x = -56

x = 4

5. (x+4)(x²-4x+16) = x³+64