Question

(x-5)(x-7)
expansion
chapter​

Answer 1

Step-by-step explanation:

$identity = (x + a)(x + b) \\ = {x}^{2} + (a + b)x + (a \times b) \\ {x}^{2} + ( - 5 - 7)x + ( - 5 \times - 7) \\ {x}^{2} - 12x + 35$