Question

4(a-1)^2-4(a-1)-3
plz tell ​

Answer 1

$4(−1)2−4(−1)−3</p><p></p><p>4(a-1)^{2}-4(a-1)-34(a−1)2−4(a−1)−3</p><p></p><p>4(−1)(−1)−4(−1)−3</p><p></p><p>4(a-1)(a-1)-4(a-1)-34(a−1)(a−1)−4(a−1)−3</p><p></p><p>42−12+5</p><p></p><p>4a^{2}-12a+54a2−12a+5</p><p></p><p></p><p></p><p>$