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3 years ago

Evaluate the expression for x = –3. x^2+4x+3

Mathematics

1 answer:

DanielleElmas [232]3 years ago

7 0

Answer:

Step-by-step explanation:

Substitute x = - 3 into the expression

x² + 4x + 3

= (- 3)² + 4(- 3) + 3

= 9 - 12 + 3

= 0

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Read 2 more answers

(-3<(x+2)<7) help pls

vampirchik [111]

3x - 2 = 7
3x = 7 + 2
3x = 9 (divide both sides by 3 to get x)
3x/3 = 9/3
x = 3

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