By using distributive property, 12 × (-1 + [tex]\sqrt{5}[/tex]) = 14.832.
According to the distributive property, multiplying the sum of two or more addends by a number will give the same result as multiplying each addend individually by the number and then adding the products together.
Given
12 × (-1 + [tex]\sqrt{5}[/tex])
Apply distributive property
= 12 × (-1) + 12 × [tex]\sqrt{5}[/tex]
= -12 + 12[tex]\sqrt{5}[/tex]
≅ 14.832
Hence by using distributive property, 12 × (-1 + [tex]\sqrt{5}[/tex]) = 14.832.
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