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Question
Simplify (2z – 3)2.
(1 point)
Responses
4z2 – 9
4 z 2 – 9
4z2 – 9z
4 z 2 – 9 z
4z2 – 12z – 9
4 z 2 – 12 z – 9
4z2 – 12z + 9
4 z 2 – 12 z + 9
x
To simplify (2z – 3)2, you need to square each term inside the parentheses. Using the formula (a – b)2 = a2 – 2ab + b2, you get:
(2z – 3)2 = (2z)2 – 2(2z)(3) + 3^2
= 4z^2 – 12z + 9
Therefore, the simplified expression is 4z^2 – 12z + 9.