Calculus Examples

$3 t^{2} - 8 t + 6$ , $t = 0.8$

Step 1

Replace the variable $t$ with $0.8$ in the expression.

$3 {(0.8)}^{2} - 8 \cdot 0.8 + 6$

Step 2

Simplify each term.

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Step 2.1

Raise $0.8$ to the power of $2$ .

$3 \cdot 0.64 - 8 \cdot 0.8 + 6$

Step 2.2

Multiply $3$ by $0.64$ .

$1.92 - 8 \cdot 0.8 + 6$

Step 2.3

Multiply $- 8$ by $0.8$ .

$1.92 - 6.4 + 6$

Step 3

Simplify by adding and subtracting.

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Step 3.1

Subtract $6.4$ from $1.92$ .

$- 4.48 + 6$

Step 3.2

Add $- 4.48$ and $6$ .

$1.52$