Question

show that x-2 is a factor of 5 x^2 +15 x - 50​

Answer 1

Answer:

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Answer 2

Explanation:

by factorisation of trinomial method

5( x²+3x-10) = 0 P= - 10

x²+3x-10 = 0 S= 3

x²+5x-2x-10

x( x+5) -2(x+5)

( x+5)( x- 2)

therefore x = 2 or x= -5