X^3 4x^2 5x 20 factored by grouping
1 answer:
Hello,
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x^3+4x²+5x+20=x²(x+4)+5(x+4)=(x+4)(x²+5)
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Answer:
1. y=
5
/4
x −2
2.x=−4y+76
1 is 21
2 is 47
i'm not sure what 3 is but i think it's 1.5 or 3/2
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