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iVinArrow [24]
3 years ago
5

(-5)^2-2x(-9)+6 Please show work and step by step.

Mathematics
1 answer:
Varvara68 [4.7K]3 years ago
5 0

Answer:

<h2>49</h2>

Step-by-step explanation:

Use PEMDAS:

P Parentheses first

E Exponents (ie Powers and Square Roots, etc.)

MD Multiplication and Division (left-to-right)

AS Addition and Subtraction (left-to-right)

==============================================

(-5)² - 2 × (-9) + 6          <em>first </em><em>E</em><em>xponents</em>

25 - 2 × (-9) + 6          <em>next </em><em>M</em><em>ultiplication</em>

25 + 18 + 6              <em>next </em><em>A</em><em>ddition</em>

43 + 6 = 49

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