Question

Find the value of: 2x - 3x + V5 when x=-3​

Answer 1

Answer:

what is this V5 ..........................

we have to find the value of v.

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Answer 2

Answer:

2x-3x+v5. x-- (-3)

1. $let \: 2x - 3x + v5 = 0 \\ 2( - 3) - 3( - 3) + v5 = 0 \\ - 6 + 9 + v5 = 0 \\ 3 + v5 = 0 \\ v5 = - 3 \\ v = - 3 \div 5$

therefore v -- -3/5

$verification \\ 2( - 3) - 3( - 3) + ( - 3 \div 5)5 = 0 \\ - 6 + 9 - 15 \div 5 = 0 \\ - 6 + 9 - 3 = 0 \\ - 9 + 9 = 0 \\ 0 = 0$

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