a) $$ (11-7 \cdot 3)^{3}-(-19+25) \cdot(-2)^{2} $$

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UpStudy AI · Accepted Answer

Calculate or simplify the expression $$ (11-7*3)^3-(-19+25)*(-2)^2 $$.
Calculate the value by following steps:
- step0: Calculate:
  $$\left(11-7	imes 3ight)^{3}-\left(-19+25ight)\left(-2ight)^{2}$$
- step1: Multiply the numbers:
  $$\left(11-21ight)^{3}-\left(-19+25ight)\left(-2ight)^{2}$$
- step2: Subtract the numbers:
  $$\left(-10ight)^{3}-\left(-19+25ight)\left(-2ight)^{2}$$
- step3: Add the numbers:
  $$\left(-10ight)^{3}-6\left(-2ight)^{2}$$
- step4: Multiply the terms:
  $$\left(-10ight)^{3}-24$$
- step5: Simplify:
  $$-10^{3}-24$$
- step6: Evaluate the power:
  $$-1000-24$$
- step7: Subtract the numbers:
  $$-1024$$
La expresión $$ (11-7 \cdot 3)^{3}-(-19+25) \cdot(-2)^{2} $$ es igual a -1024.
La expresión simplificada es -1024.

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