Question

Simplify this expression: 3 ( d + 4 ) + -5 (2d + 1 )

Answer 1

Step-by-step explanation:

Evaluate:

7-7d

Solution steps

3×(d+4)+ -5×(2d+1)

3d+12-5×(2d+1)

3d+12-10d-5

-7d+12-5

-7d+7

EXPAND:

3×(d+4)+ -5×(2d+1)

3d+12-5×(2d+1)

3d+12-10d-5

-7d+12-5

-7d+7

FACTOR:

3×(d+4)+ -5×(2d+1)

-7d+7

7×(-d+1)