Simplify |(-2)^2+6(3-15)|+(-9) square root of 81*16

Math
|(-2)2+6(3-15)|+(-9)81⋅16
Simplify each term.
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Simplify each term.
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Raise -2 to the power of 2.
|4+6(3-15)|+(-9)81⋅16
Subtract 15 from 3.
|4+6⋅-12|+(-9)81⋅16
Multiply 6 by -12.
|4-72|+(-9)81⋅16
|4-72|+(-9)81⋅16
Subtract 72 from 4.
|-68|+(-9)81⋅16
The absolute value is the distance between a number and zero. The distance between -68 and 0 is 68.
68+(-9)81⋅16
Multiply 81 by 16.
68-91296
Rewrite 1296 as 362.
68-9362
Pull terms out from under the radical, assuming positive real numbers.
68-9⋅36
Multiply -9 by 36.
68-324
68-324
Subtract 324 from 68.
-256
Simplify |(-2)^2+6(3-15)|+(-9) square root of 81*16

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