Calculate: 1-7 \times |4-2 \times 5|

Expression: $1-7 \times |4-2 \times 5|$

Multiply the numbers

$1-7 \times |4-10|$

Calculate the difference

$1-7 \times |-6|$

The absolute value of any number is always positive

$1-7 \times 6$

Multiply the numbers

$1-42$

Calculate the difference

$-41$