how do you find x, when f(x)= -2x^2 + 6x + 5; if f(x)= -3 ??? | Mathematics | Page 1

strange sand Apr 19, 2023, 12:23 PM

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how do you find x, when f(x)= -2x^2 + 6x + 5; if f(x)= -3 ???

green wigeonBOT Apr 19, 2023, 12:23 PM

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kindred sandal Apr 19, 2023, 12:24 PM

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substitute -3 for f(x), then solve

strange sand Apr 19, 2023, 1:36 PM

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not hard

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add +3 to f(x) and then factorize

autumn cargo Apr 19, 2023, 4:27 PM

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-2(-3)^2 + 6(-3) + 5

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-18 - 18 + 5

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= -31

split lily Apr 19, 2024, 7:05 AM

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.close

#how do you find x, when f(x)= -2x^2 + 6x + 5; if f(x)= -3 ???