3 years ago

4. 4c - 3 (c = -2) will give 5 stars

Mathematics

1 answer:

Flauer [41]3 years ago

4 0

4(-2)-3 = -8-3 = -11
Answer: -11

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Solve the equation x^2+17x+12=-3x^2 to the nearest tenth.

mote1985 [20]

Answer:

$x=-\frac{17}{8}+\frac{\sqrt{97} }{8}$ or $x=-\frac{17}{8}-\frac{\sqrt{97} }{8}$

Step-by-step explanation:

$x^2+17x+12=-3x^2$

Add $3x^2$ on both sides.

$x^2+17x+12+3x^2=-3x^2+3x^2$

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Use the quadratic formula;

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$x=\frac{-(17)\frac{+}{}\sqrt{(17)^2-4(4)(12)} }{2(4)}$

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$x=\frac{-17\frac{+}{}\sqrt{97} }{8}$

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