Question

Calcula los siguientes productos notables
${(x - 2)}^{3} =$
${(a + 3)}^{3} =$
$(x + 5)(x + 8) =$
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Answer 1

Explicación paso a paso:

(x-2)³=(x)³-3(x)²(2)+3(x)(2)²-(2)³

= x³- 3(x²)(2)+3(x)(4)-8

= x³-6x²+12x-8

(a+3)³=(a)³+3(a)²(3)+3(a)(3)²+(3)³

= a³+3(a²)(3)+3(a)(9)+27

= a³+9a²+27a+27

(x+5)(x+8)= x²+8x+5x+40

= x²+13x+40