What is the limit as x approaches 4 of (2x-3)(4x+5) ?

The limit as x approaches 4 of (2x-3)(4x+5) is 105

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limit as x approaches 4 of (2x-3)(4x+5)

x \to 4 lim ((2 x - 3) (4 x + 5))

105

Solution steps

x \to 4 lim ((2 x - 3) (4 x + 5))

Plug in the value

x = 4

= (2 \cdot 4 - 3) (4 \cdot 4 + 5)

Simplify

(2 \cdot 4 - 3) (4 \cdot 4 + 5) : 105

= 105

x \to \infty lim (14)

x \to 3 lim (2 x^{3} - 6 x^{2})

x \to \frac{5 π}{3} lim (cos (3 x))

x \to \frac{π}{8} lim (tan (24 \cdot x))

x \to 0 lim (x (2))

What is the limit as x approaches 4 of (2x-3)(4x+5) ?
The limit as x approaches 4 of (2x-3)(4x+5) is 105