Question Simplify the expression f5140ϕh Evaluate ϕ×20h×f57Use the commutative property to reorder the terms 20ϕh×f57Multiply the terms f520ϕh×7Solution f5140ϕh Show Solution Find the excluded values f=0 Evaluate ϕ×20h×f57To find the excluded values,set the denominators equal to 0 f5=0Solution f=0 Show Solution