(4x+5)(4x+5)
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(4x + 5)(4x + 5)
40x+16=2540x=25-1640x=9x= 9/40x=0.225
16x2 - 56x + 49 = (4x - 7)2
y = -16x2 + 342At the x-intercepts, y=0-16x2 + 342 = 016x2 = 342x2 = 342/16 = 21.375x = plus and minus sqrt(21.375) = approx. plus and minus 4.6233 (rounded)
4(2x + 3y)(2x + 3y)