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Nasukkin · Answer 1 · 2021-10-16T13:21:10+0000

The value of given expression is 341

Solution:

Given that we have to find the value of given expression

Given expression is:

4x^2 + 2x - 1

Given value is x = 9

Substitute x = 9 in given expression

$\rightarrow 4(9)^2+2(9) - 1$

Solve the above expression

$\rightarrow 4 * (9 * 9) + 18 -1\\\\\rightarrow 4 * 81 + 17\\\\\text{Multiply the terms 4 and 81 }\\\\\rightarrow 324 + 17\\\\\text{Add the numbers }\\\\\rightarrow 341$

Thus the value of given expression is 341

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