(48/50)f(x) = 2x² + 3x × 5x²f(3) = ​

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(48/50)f(x) = 2x² + 3x × 5x²f(3) = ​

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f(x) = 2x² + 3x × 5x²

f(3) = 2(3)² + 3(3) × 5(3)²

f(3) = 2(3 × 3) + (3 × 3) × 5(3 × 3)

f(3) = 2(9) + 9 × 5(9)

f(3) = 18 + 9 × 45

f(3) = 18 + 405

f(3) = 423

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Ninmy!

f(x) = 2x² + 3x × 5x²

f(3) = 2.3² + 3.3 + 5.3²

= (2.3.3) + (3.3) + (5.3.3)

= 18 + 9 + 45

= 72

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