Question

Please help me （＞д＜）

Answer 1

8x² + 4(x² - 1)

first distribute 4 to both x² and -1

4(x²) = 4x²
4(-1) = -4

8x² + 4x² - 4 =

8x² + 4x² = 12x²


12x² - 4 is your answer

hope this helps