Will mark brainliest! : ) complete the square to solve the expression x^2+8x-1=19 (can have multiple answers) a.) 2 b.) -2 c.) -10 d.) -3

Step-by-step explanation:

Add 1 to both sides.

The expression is in the form ax² + bx = -c , where b = 8.

Then we need to add (b/2)² to both sides to complete the square.

(8/2)² = 4² = 16

Add 16 to both sides.

Factor left side of the equation.

Take the square root of both sides.

Subtract 4 from both sides.

$3,200 x 7.25% = $3,200 x .0725 = $232 interest monthly

$232 monthly x 12 annual = $2, 784

step-by-step explanation:

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