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Igoryamba
3 years ago
13

Combine like terms.

Mathematics
2 answers:
coldgirl [10]3 years ago
8 0

Answer:

To solve the question the answer is 35y2 - 5 (i think)

Step-by-step explanation:

Yes and it's actually very simple.

To start off:

Simplify the equation: multiply 7 by the numbers in the parentheses getting: 28y2 - 35 .......full equation: 7y2 + (28y2 - 35)

New equation: 7y2 + (28y2 - 35) now combine like terms this means adding each common variable together. in this case, 7y2 and 28y2 would be added together to simplify the equation. Add them together, the new equation is: 35y2 - 5

Lmk if you have any questions i hope this helps

lutik1710 [3]3 years ago
6 0

Answer:

7y^2+7\left(4y^2-5\right)=35y^2-35

Step-by-step explanation:

Given the expression

7y^2+7\left(4y^2-5\right)

First Apply distributive law to expand 7(4y² - 5) :  a\left(b-c\right)=ab-ac

7y^2\:+7\left(4y^2\:-\:5\right)\:=7y^2+7\cdot \:\:\:4y^2-7\cdot \:\:\:5

simplify

                               =7y^2+28y^2-35

Add like terms:  7y²+ 28y²=35y²

                                =35y^2-35

Therefore,

7y^2+7\left(4y^2-5\right)=35y^2-35

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