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Simplify 7x^2+2x^2 A) 7x^2 B) 9x^2 C) 14x^4 D) 9x^4

Simplify 7x^2+2x^2 A) 7x^2 B) 9x^2 C) 14x^4 D) 9x^4
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2 votes
Simplify 7x^2+2x^2

A) 7x^2

B) 9x^2

C) 14x^4

D) 9x^4

User Etopylight
by
8.4k points

1 Answer

7 votes
7x^2 + 2x^2 = x^2(7 + 2) = x^2 * 9 = 9x^2

When you add like terms, add the coefficients.
User MagnusEffect
by
7.9k points
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