Algebra Examples

$c (280) = 0.7 {(280)}^{2} - 392 \cdot 280 + 68$ , $694$

Step 1

Simplify each term.

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Step 1.1

Raise $280$ to the power of $2$ .

$c (280) = 0.7 \cdot 78400 - 392 \cdot 280 + 68, 694$

Step 1.2

Multiply $0.7$ by $78400$ .

$c (280) = 54880 - 392 \cdot 280 + 68, 694$

Step 1.3

Multiply $- 392$ by $280$ .

$c (280) = 54880 - 109760 + 68, 694$

Step 2

Simplify by adding and subtracting.

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Step 2.1

Subtract $109760$ from $54880$ .

$c (280) = - 54880 + 68, 694$

Step 2.2

Add $- 54880$ and $68$ .

$c (280) = - 54812, 694$