Use the foil method to multiply out the expressions. Then solve for x by first combining like terms and then using inverse properties
2/10 because 0.7/7 is equal to one tenth, so 1.4/7 is equal to 2/10
1 is the answer 1111111111
Substitute with y = 4 and z = -2
= 4^2*(-2)/4 + 10
= 16*(-2)/4 + 10
= -32/4 + 10
= -8 + 10
= 2
Hope This Helped! Good Luck!