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luda_lava [24]
3 years ago
7

What is the value of 9x^2 + 13x – 15, if x = 2

Mathematics
2 answers:
Harman [31]3 years ago
8 0

Answer:

9(2)×2+13(2)-15

18×2+26-15

36+11

47 is your answer ☺️☺️☺️

Paladinen [302]3 years ago
3 0

Step-by-step explanation:

Given,

9 {x}^{2}  + 13x - 15

and

x = 2

Substitute x = 2 into expression.

9 {x}^{2}  + 13x - 15 = 9( {2}^{2} ) + 13(2) - 15 \\  = 9(4) + 26 - 15 \\  = 36 + 26 - 15 \\  = 62 - 15 \\  = 47

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