4. Use the distributive property to write an expression that is equivalent to each given expression.(2) −3(2x−4)b. 0.1(−90+50a)c. −7(−x−9)d. 54(10y+−x+−15)
Q. 4. Use the distributive property to write an expression that is equivalent to each given expression.(2) −3(2x−4)b. 0.1(−90+50a)c. −7(−x−9)d. 54(10y+−x+−15)
Apply Distributive Property: a. −3(2x−4)Apply the distributive property: −3×2x+(−3)×(−4)
Calculation: Calculation: −6x+12
Apply Distributive Property:0.1(−90+50a)Apply the distributive property: 0.1×(−90)+0.1×50a
Calculation: Calculation: −9+5a
Apply Distributive Property:c.−7(−x−9)Apply the distributive property: −7×(−x)+(−7)×(−9)
Calculation: Calculation: 7x+63
Apply Distributive Property:d.54(10y+−x+−15)Apply the distributive property: 54×10y+54×(−x)+54×(−15)