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Are the expressions 8a^2 - 4b + 7a^2 and 5(3a^2 - 2b) equivalent?
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Are the expressions 8a^2 - 4b + 7a^2 and 5(3a^2 - 2b) equivalent?

User Nikhil Makwana
by
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1 Answer

4 votes
No they are not equivalent.

Explanation

——— 8a^2 -4b+ 7a^2 ———

= (8a^2 + 7a^2) + (-4b)

ANSWER = 15a^2-4b


——— 5(3a^2 - 2b) ———

= (5) (3a^2) + (5) (-2b)

ANSWER = 15a^2 - 10b


Are the expressions 8a^2 - 4b + 7a^2 and 5(3a^2 - 2b) equivalent?-example-1
User Kjleftin
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