0
Anonymous
4 + 5x = 1
5x = 1 - 4
5x = -3
x = -3/5
x = -0.6
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Factored, that's 4(5x + 1)(5x + 1) or 4(5x + 1)2 If the whole thing equals zero, x = -1/5
4
(-4, -1)
x=4
5x + 4 = 10x - 5 10x - 5x = 4 + 5 5x = 9 x = 1.8