Question

2x⁴-x³+3x²-5 when X=1​

Answer 1

Answer:

2x⁴-x³+3x²-5 , x=1

2(1)⁴-(1)³+3(1)²-5

2×1-1+3×1-5

2-1+3-5

5-6

-1

Answer 2

Question

find the value when X= 1

2x⁴-x³+3x²-5

Solution

first , put the value of x in the 2x⁴-x³+3x²-5

$\sf{ \implies2 {x}^{4} - {x}^{3} + 3 {x}^{2} - 5} \\ \\ \sf{ \implies2 \times {1}^{4} - {1}^{3} + 3 \times {1}^{3} - 5 } \\ \\ \sf{ \implies2 - 1 + 3 - 5} \\ \\ \sf{ \implies - 1}$

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