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If x=2, evaluate 15x2 + 2x - 8.

May 12, 2026Mathematics

ScanSolve AI Answer

Answer

56

Step-by-step solution

4 steps

Here is the solution to the problem:

Problem: If $x=2$ , evaluate $15x^2 + 2x - 8$ .

Substitute the value $x=2$ into the expression.
$15(2)^2 + 2(2) - 8$
Calculate the exponent.
$15(4) + 2(2) - 8$
Perform the multiplications.
$60 + 4 - 8$
Perform the additions and subtractions from left to right.
$64 - 8$ $56$

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