Question

(7x-5)power 2
pls answer​

Answer 1

Answer:

(7x-5)²

$applying \: (a - b) {}^{2} = a {}^{2} + b {}^{2} - 2ab$

= (7x)²+(5)²-2× 7x × 5

$49x {}^{2} + 25 - 70x$