Question

4(a − 1)2 – 4(a – 1) – 3
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Answer 1

Step-by-step explanation:

$\red{ 4(a - 1)2 - 4(a - 1) - 3 = 0} \\ \red{ 8(a - 1) - 4a - 4 - 3 = 0} \\ \red{8a - 8 - 4a - 7 = 0 }\\ \red{4a - 15 = 0 }\\ \red{4a = 15 }\\ \red{ a = \frac{15}{4} } \\ \red{a = 3.75}$