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Simplify these expressions and find their values, if x = 3, a = – 1, b = – 2.
2b – 8x +4x2 + 4a
2b – 8x +4x2 + 4a
- a)4
- b)6
- c)10
- d)None of these
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
Simplifythese expressions and find their values,ifx= 3,a= – 1,b=...
2b-8x+4x2+4a
=2(-2)-8(3)+ 4(3)2+4(-1)
=-4-24+36-4
=4
=2(-2)-8(3)+ 4(3)2+4(-1)
=-4-24+36-4
=4
Most Upvoted Answer
Simplifythese expressions and find their values,ifx= 3,a= – 1,b=...
Given Expressions:
2b - 8x + 4x^2 + 4a
Given Values:
x = 3
a = -1
b = -2
Simplified Expression:
Substitute the given values into the expression:
2(-2) - 8(3) + 4(3)^2 + 4(-1)
= -4 - 24 + 36 - 4
= 4
Therefore, the simplified expression evaluates to 4.
Final Answer:
a) 4
2b - 8x + 4x^2 + 4a
Given Values:
x = 3
a = -1
b = -2
Simplified Expression:
Substitute the given values into the expression:
2(-2) - 8(3) + 4(3)^2 + 4(-1)
= -4 - 24 + 36 - 4
= 4
Therefore, the simplified expression evaluates to 4.
Final Answer:
a) 4
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Simplifythese expressions and find their values,ifx= 3,a= – 1,b= – 2.2b – 8x+4x2+ 4aa)4b)6c)10d)None of theseCorrect answer is option 'A'. Can you explain this answer?
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