3 years ago

Find the value of this expression if x = -9. x2 + 3 x +6

Mathematics

1 answer:

iren [92.7K]3 years ago

7 0

Answer:

Step-by-step explanation:

x² + 3 = (-9)² + 3 { (-9)² = -9 *-9 = 81}

= 81 + 3

= 84

x + 6 = -9 + 6 = -3

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