solve the following quadratic equation by extracting the square roots. with solution.
1. 9x²-5=607
2. -8-8x²=-32
Answer:
1.9x²-5=607 lipat ang – 5 sa kabila then magiging positive 5
9x²=612 divide both sides by 9
X²=68 (square root both sides
[tex]x = 2 \sqrt{17} [/tex]
2. – 8x²=-32+8
-8x²=24 divide both side on -8
x²=-3 get the square root both sides
[tex]x = \sqrt{ – 3} [/tex]
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