Question

HI guys can anyone give me the answer of these three parts it's algebraic expressions I will mark brainlist whoever answer is right... ​

Answer 1

Step-by-step explanation:

$1 \: \: ({a}^{2} - {b}^{2} ) ^{2} = ( {a}^{2} - {b}^{2} )( {a}^{2} - {b}^{2} )$

$2 \: \: \: (7m - 8n) {}^{2} = (7m - 8n)(7m - 8n)$

$3 \: \: \: \: \: (ab + bc) ^{2} - 2ab ^{2} c \\ (a + b)(a + b) - 2 \times a \times b \times b \times c$

please mark as brainlist answer