Question

a-b-a^2+b^2প্লিজ হেল্প me ​

Answer 1

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

$\boxed { \pink { Since, x^{2} - y^{2} = (x+y)(x-y) }}$

$= (a-b)[ 1 - (a+b)] \\= (a-b)(1-a-b)$

Therefore.,

$\red{a-b-a^{2}+b^{2} } \green {= (a-b)(1-a-b)}$

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