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find the products of the following polynomials and special products


1. (3x + 4)(5x + 3)

2.(7x +2) (x-4)

3.(3d-e) (3d+e)

4.(4r+5) (4r-5)

5.(p+t) (p[tex]x^{2}[/tex]+pt+t[tex]x^{2}[/tex])

6.(a-6) (a[tex]x^{2}[/tex]+6a+36)