16x2 + 32x - 65 = 0 factorises (4x + 13)(4x - 5)
This makes x either -13/4 or 5/4.
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2x + 4 = 362x = 36 - 42x = 32x = 32/2X = 16
Either: (7x + 4)(x + 4) = 7x2 + 32x + 16 or: (7x - 4)(x - 4) = 7x2 - 32x + 16
It is 112
The answer is 64.
It equals 113.