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4. Solve the quadratic equation 4x² + 7 = 25.
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4. Solve the quadratic equation 4x² + 7 = 25.

User Mossi
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Hope this helps you
4. Solve the quadratic equation 4x² + 7 = 25.-example-1
User Faye
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4x²+7= 25

4x²+7-25=0

4x²-18=0

use the formula 「x= [-b±✓(b²-4ac)]/2a」

a= 4, b= 0, c= -18

x= [-0±✓(0²-4(4)(-18))]/2(4)

x= 2.1213... , x= -2.1213...

User Gregory
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