Question

Enter the expression that is equivalent to –5(x + 7y).

Answer 1

Distributive Property of Multiplication over Addition

-5(x + 7y)

-5x - 35y

Answer 2

-5(x+7y)

- x += - (no sign of greater no in multi....)

+ x - = - (no sign of greater no in multi....)

- x - = + (no sign of greater no in multi....)

+ x + = + (no sign of greater no in multi....)

-5(x+7y)

-5x - 35y (-5 x +7y= -35y no sign of greater no in multiply)

Answer -5x-35y

Learn these equation

In multiply only these rule apply

(- x += - (no sign of greater no in multi....)

+ x - = - (no sign of greater no in multi....)

- x - = + (no sign of greater no in multi....)

+ x + = + (no sign of greater no in multi....)

In addition ➕ and sub -

- += - (sign of greater no )

+ - = - (sign of greater no)

- - = + (sign of greater no)

+ + = + (sign of greater no)