![[f(x)]^2-g(x) = 5x^2-13x-8](/tpl/images/0895/8742/08c49.png)
![[f(x)]^2-g(x)](/tpl/images/0895/8742/ff209.png)
![[f(x)]^2 = (2x-2)^2\\Using\ (a-b)^2 = a^2-2ab+b^2\\\[f(x)]^2 = (2x)^2-2(2x)(2)+(2)^2\\= 4x^2-8x+4](/tpl/images/0895/8742/1ea76.png)
![[f(x)]^2-g(x) = (4x^2-8x+4)-(-x^2+5x+12)\\\[f(x)]^2-g(x) = 4x^2-8x+4+x^2-5x-12](/tpl/images/0895/8742/c32e6.png)
![[f(x)]^2-g(x) = 4x^2+x^2-5x-8x+4-12\\\[f(x)]^2-g(x) = 5x^2-13x-8](/tpl/images/0895/8742/faf8c.png)
Please help me no one answers my last few questions
#6
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Answers: 3
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