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Elan Coil [88]
3 years ago
11

Select the correct answer.Simplify the following expression.(4x + 7)^2​

English
1 answer:
choli [55]3 years ago
3 0

The simplified expression is (4x+7)^2=16x^2+56x+49

Explanation:

The expression that we have in this problem is

(4x+7)^2

We want to simplify this expression: in order to do so, we apply the rule to solve the square of a binomial:

(a+b)^2=a^2+2ab+b^2

Where in our expression, we have:

a=4x\\b=7

So, the various terms are:

a^2=(4x)^2=16x^2\\2ab=2(4x)(7)=56x\\b^2=7^2=49

Therefore, the final expression becomes

(4x+7)^2=16x^2+56x+49

Learn more about simplify expressions:

brainly.com/question/7014769

brainly.com/question/11007572

brainly.com/question/11334714

#LearnwithBrainly

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