How do you find the value of $2 (6^{2} - 9)$ $2(6^2-9)$ ?

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How do you find the value of $2 (6^{2} - 9)$ $2(6^2-9)$ ?

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Answer 1 · 2016-10-28T10:40:47

54

Explanation:

When evaluating expressions with $mixed operations$ $color(blue)"mixed operations"$ there is a particular order that must be followed.

Follow the order as set out in the acronym PEMDAS.

$\Rightarrow (6^{2} - 9) = (36 - 9) = 27 \leftarrow bracket with exponent$ $rArr(6^2-9)=(36-9)=27larrcolor(red)"bracket with exponent"$

$\Rightarrow 2 (27) = 2 \times 27 = 54 \leftarrow then multiplication$ $rArr2(27)=2xx27=54larrcolor(red)" then multiplication"$

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How do you find the value of $2 (6^{2} - 9)$ $2(6^2-9)$ ?

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