Respuesta :

choixongdong
(2x^3)(5x^4)
= (2*5)(x^3*x^4)
= 10x^7
apologiabiology
remember, (ab)(cd)=(a)(b)(c)(d), so we can expand
also
[tex](x^m)(x^n)=x^{m+n}[/tex]

so

[tex](2x^3)(5x^4)=(2)(x^3)(5)(x^4)=(2)(5)(x^3)(x^4)=(10)(x^{3+4})=10x^7[/tex]
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