Question

4. If x= -5 find the value of the expression:
(a 2x + 7
(b) – x+7
(c) x² – 5x + 4
(d) 2x2 + 4
(e) -x2 + 2x + 4
(f) - 6x + 5x2
please solve this now with proper solution
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Answer 1

Answer:

a) 2x + 7= -3

b) -x+7= 12

c) x² – 5x + 4= 34

d) 2x2 + 4= 8

e) -x2 + 2x + 4= 4

f) - 6x + 5x2= -20

Answer 2

Answer:

3. ,12. ,54. ,54. ,-31. ,155

Step-by-step explanation:

a)-10+7=3

b)5+7=12

c)25+25+4=54

d)50+4=54

e)-25-10+4=-31

f)30+125=155

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