wykonaj mnożenie i zredukuj wyrazy podobne a)(3x+2)(3x-2)+2x^
b)-5a-7)(3a+b)+a^-b
c)(-8a-4)(-3a-9)-11a+a^
a) (3x+2)(3x-2)+2x²=9x²+ 2x² = 11x²b) -15a₂-15ab-21a-7b + a² - b= 14a²- 21a-8b-15abc) 24a²+72a+12a+36-11a+a² = 25a²+73a+36
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a) (3x+2)(3x-2)+2x²=9x²+ 2x² = 11x²
b) -15a₂-15ab-21a-7b + a² - b= 14a²- 21a-8b-15ab
c) 24a²+72a+12a+36-11a+a² = 25a²+73a+36
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