4. If x=-5 find the value of the expression:
(2) 2x + 7
(b) -x+7
(c) x² – 5x + 4
(d) 2x + 4
(e) x² + 2x + 4 (f) - 6x + 5x²
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first is -3
second is 12
third is 54
fourth is -6
fifth is 19
sixth is 155
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