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blsea [12.9K]
3 years ago
7

1. What is the value of 5x² – 3x + 5 when x=2?

Mathematics
2 answers:
Andrews [41]3 years ago
4 0

Answer:

<em>624 is the answer</em>

Step-by-step explanation:

5x²-3x+5        x=2

plug in x=2: 25²-6+5=?

do the 25²: (25*25=625)

plug in 625 into the equation: 625-6+5

subtract 6 from 625: 625- 6= 619

plug 619 into your equation: 619+5=?

add 5 to 619: 619+5= 624

PolarNik [594]3 years ago
3 0

Answer:

19

Step-by-step explanation:

5x² – 3x + 5

Substitute 2 in for x

5(2)² - 3(2) + 5

Solve exponents first

5(4) - 3(2) + 5

Solve/multiply parenthesis

20 - 6 + 5

Add and subtract

19

Hope this helps :)

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