Grade 127 grade maths
Simplify these expressions and find their values if x = 3, a = – 1, b = – 2 2 – 8x + 4x + 4
Simplify these expressions and find their values if x = 3, a = – 1, b = – 2
2 – 8x + 4x + 4
1 Answer
Harshit Singh
Dear Student
From the question it is given that x = 3
We have,
= 2 + 4–8x + 4x
= 6–4x
Then, substitute the value of x in the equation
= 6 - (4 × 3)
= 6 - 12
=-6
Thanks
From the question it is given that x = 3
We have,
= 2 + 4–8x + 4x
= 6–4x
Then, substitute the value of x in the equation
= 6 - (4 × 3)
= 6 - 12
=-6
Thanks
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