solve the simultaneous equation y=3x+5, y=4x^2+x
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I got 4 out of 5 marks for the same question. Here are my working's out:
3x+5=4x²+x
4x²-2x-5=0
x=1.4, -0.9
y=3(1.4)+5=9.2
y=3(-0.9)+5=2.3
x=0.90,y=2.31
x=1.40,y=9.19
3x+5=4x²+x
4x²-2x-5=0
x=1.4, -0.9
y=3(1.4)+5=9.2
y=3(-0.9)+5=2.3
x=0.90,y=2.31
x=1.40,y=9.19
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