Evaluate the expression for the given value of the variable (-x+3) + (4 - 2x square) + 3x; x = - 5

Question

Mathematics

Zoey

19 February, 10:46

Evaluate the expression for the given value of the variable (-x+3) + (4 - 2x square) + 3x; x = - 5

+5

Answers (1)

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Lilah Campos · Answer 1

For this you just substitute x for - 5, so ...

(-x + 3) + (4 - 2x^2) + 3x

= (--5 + 3) + (4 - 2 (-5) ^2) + 3 (-5)

= (5 + 3) + (4 - 2 (25)) + - 15

= 8 + (4 - 50) - 15

= 8 + - 46 - 15

= 8 - 46 - 15

= - 53