Answer:
Step-by-step explanation:
8x² + 2(x²-1) = 8x² + 2*x² - 2*1
= 8x² + 2x² -2
= 10x² -2
Like terms: 8x² , 2x²
[tex]8x^{2}[/tex]+2([tex]x^{2}[/tex]-1)
=[tex]8x^{2}[/tex]+[tex]2x^{2}[/tex]-2
=[tex]10x^{2}[/tex]-2
