Question

7×{(-150)÷(10-10-5)}

Answer 1

210

Explanation:

7×{(-150)÷(10-10-5)}

remove the opposites

7×{(-150)÷(-5)}

divide

7×30

multiply

210

Answer 2

`=210`

Explanation:

`7* \left(-150\right)/ \left(10-10-5\right)\\Follow\:the\:PEMDAS\:order\:of\:operations\\\mathrm{Calculate\:within\:parentheses}\:\left(10-10-5\right)\::\quad -5\\10-10-5\\\mathrm{Add\:and\:subtract\:\left(left\:to\:right\right)}\\10-10=0\\=0-5\\=0-5\\=-5\\=7* \left(-150\right)/ \left(-5\right)\\\mathrm{Multiply\:and\:divide\:\left(left\:to\:right\right)}\:7* \left(-150\right)/ \left(-5\right)\::\quad 210\\7* \left(-150\right)/ \left(-5\right)`

`\mathrm{Apply\:rule\:}-a/ \left(-b\right)\:=\:a/ \:b\\-1050/ \left(-5\right)=1050/ \:5=210\\=210`