height of ball thrown = h

t = time in seconds

h = -4.9t^2 + 38t + 1.75

what is the time of the ball when h = 50

I need to be able to solve it by factoring? i can do it if the numbers 4.9 and 38 have a common denominator but can not do when they are decimals?

any help appreciated

t = time in seconds

h = -4.9t^2 + 38t + 1.75

what is the time of the ball when h = 50

I need to be able to solve it by factoring? i can do it if the numbers 4.9 and 38 have a common denominator but can not do when they are decimals?

any help appreciated

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