Question

(4×+5)^2-80×=(4×-5)^2​

Answer 1

Answer:

$(4x + 5 ){}^{2} - 80x = (4x - 5) {}^{2}$

$(4x + 5)(4x + 5) - 80x = (4x - 5)(4x - 5)$

$(8x + 10) - 80x = (8x + 10)$

$10 - (80x + 8x) = 8x + 10$

$10 - 88x = 8x + 10$

$= - 88x - 8x = 10 - 10$

$= - 96x$