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23 September, 04:35

9x^2-16x+52=8x^2

Find the discriminant

+3
Answers (1)
  1. 23 September, 04:48
    0
    x=8+2√3 or x=8-2√3

    Step-by-step explanation:

    Let's solve your equation step-by-step.

    9x2-16x+52=8x2

    Step 1: Subtract 8x^2 from both sides.

    9x2-16x+52-8x2=8x2-8x2

    x2-16x+52=0

    For this equation: a=1, b=-16, c=52

    1x2+-16x+52=0

    Step 2: Use quadratic formula with a=1, b=-16, c=52.

    x=

    -b±√b2-4ac

    2a

    x=

    - (-16) ±√ (-16) 2-4 (1) (52)

    2 (1)

    x=

    16±√48

    2

    x=8+2√3 or x=8-2√3
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