(5q2 − r2s)(25q^4+5q^2r^2s+1r^4s^2)
Answer: 100
Step-by-step explanation:
h = 2t - d
multiply both sides by 2 to eliminate the fraction
2t = d + h
subtract d from both sides
2t - d = h ⇒ h = 2t - d
This question simply asks for

which equals

to get our final answer,