Question

rpc plsss va ds coronita pld
ddd​

Answer 1

Răspuns:

Bună,

$a)(2x - 3)^{2} - 4(2x - 3) = \\ (2x - 3)(2x - 3 - 4) \\ = (2x - 3)(2x - 7)$

$c) {x}^{2} - 10x + 25 = \\ {x}^{2} - 2 \times x \times 5 + {5}^{2} = \\ (x - 5) ^{2}$

$d)49 {x}^{2} - 14x + 1 = \\ (7x) ^{2} - 2 \times 7 \times x + (1) ^{2} = \\ (7x - 1) ^{2}$

Sper că te-am ajutat