The value of the polynomial p(x) = 3x + 2x + 7 is 32. Find the value of x.

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Solution

The correct option is B 5
Given : p(x) = 32

Substitute this in the given polynomial. We get ..

32 = 3x + 2x + 7

$\Rightarrow$ 32 = 5x +7

$\Rightarrow$ 32 - 7 = 5x

$\Rightarrow$ 25= 5x

$\Rightarrow$ x= 5

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Similar questions

3 x^{2} + 3 x + 5

If the three digit number 20x is divisible by 9, find the smallest possible value of x.

p (x) = 5 x^{2} - 3 x + 7

x = 1

p (x) = x^{4} - {2 x}^{3} + {3 x}^{2} - p x + 3 p - 7

p (2) = 5

p (x) = 5 x^{2} - 3 x + 7

x = 1

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