Question

$a^{2} - b {}^{2} - c ^{2} + d^{2} - 2 (ad - bc)$
plz plz plz tell this answer I will be thankfull to u

Answer 1

here is your answer..

${a}^{2} - { {b} }^{2} - {c}^{2} + {d}^{2} - 2(ad - bc) \\ = {a}^{2} - 2ad + {d}^{2} - ( {b}^{2} - 2bc + {c}^{2} ) \\ = {(a - d)}^{2} - (b - c)^{2} \\ = (a - d + b - c)(a - d - b + c)$
hope it helps..pls mark it as brainliest.