3 years ago

(4x-1)(4x+1)-3=15x^2

Mathematics

1 answer:

algol133 years ago

8 0

(16x^2+4x-4x-1)-3=15x^2
16x^2-1-3=15x^2
16x^2-4=15x^2
X^2=4
X=+or-2

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