x=(7x+4)(7x-4)

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Solution for x=(7x+4)(7x-4) equation: 



x=(7x+4)(7x-4)

We move all terms to the left:

x-((7x+4)(7x-4))=0

We use the square of the difference formula

49x^2+x+16=0

a = 49; b = 1; c = +16;
Δ = b2-4ac
Δ = 12-4·49·16
Δ = -3135
Delta is less than zero, so there is no solution for the equation

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