How do you solve 50d ^ { 2} + 30= - 50d ^ { 2} + 22?

1 Answer
Jan 27, 2018

:. d = -2/25

Explanation:

50d^2 + 30 = -50d^2 +22

Collect Like Terms/Bring over Equal Sign:

50d^2 + 50d^2 +30 -22 = 0

100d^2 + 8 = 0

Common Factor:

4(25d + 2) = 0

:. d = -2/25