Question

factorise the expression completely 5d2-145d+600
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Answer 1

Step-by-step explanation:

5d^2-145d+600

a=5. b=-145. c=600

d=b^2-4ac

d=21025-4(5)(600)

d=21025-12000

d=9025

x=(-b)+√d. or x=(-b)-√d

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2a. 2a

x=145+√9025, or. x=145-√9025

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10 10

x=145+95. or. x= 145-95

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10. 10

x=240. or x=50

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10. 10

SO,X=24 OR X=5

HOPE IT HELPS YOU!! :)