How do you solve $x^2 - 3x - 88 = 0$ by completing the square?

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How do you solve $x^2 - 3x - 88 = 0$ by completing the square?

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Answer 1 · 2016-05-06T13:24:37

x = -8 and x = 11

Explanation:

$x^2 - 3x = 88$
$x^2 - (3/2)x + 9/4 = 88 + 9/4$
$(x - 3/2)^@ = 361/4$
Calculator gives -->
$(x - 3/2) = +- 19/2$
$x = 3/2 +- 19/2 = (3 +- 19)/2$
x = 11 and x = -8

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How do you solve $x^2 - 3x - 88 = 0$ by completing the square?

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How do you solve x^2 - 3x - 88 = 0x^2 - 3x - 88 = 0 by completing the square?

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How do you solve $x^2 - 3x - 88 = 0$ by completing the square?