10a²+3b-5a-a²+5b; a=-3 b=5

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asked Feb 6, 2022 157k views

5 votes

10a²+3b-5a-a²+5b; a=-3 b=5

Mathematics
high-school

Mehant Kammakomati asked

by Mehant Kammakomati

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2 Answers

5 votes

Answer:

136

Explanation:

Substitute the values for the variables.

$10(-3)^2+3(5)-5(-3)-(-3)^2+5(5)\\\\90+15+15-9+25\\\\136$

Ali Akhtari answered Feb 6, 2022

by Ali Akhtari

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5 votes

10a^2+3b-5a-a^2+5b; a=-3 b=5
Determine the sign
Multiply
Evacuate

10 * 3^2+15+15-9+25
Evaluate

10 * 9+15+15 -9+25
Multiply

90+15+15-9+25
Calculate it

Answer: 136

Windsooon answered Feb 13, 2022

by Windsooon

4.7k points

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