2 years ago

(2x+1)^2 - (x+3)^2 simplify

Mathematics

1 answer:

Natali [406]2 years ago

6 0

Answer:

Step-by-step explanation:

steps are below

step 1

(2x+1)^2 - (x+3)^2 equation

step 2

4x^2+4x+1+(-x^2)+(-6x)+(-9) distribute

step 3

4x^2+4x+1+(-x^2)+(-6x)+(-9)

(4x^2+-x^2)+(4x+(-6x)+(1+(-9) combine the like terms

3x^2-2x-8

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Answer:

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Step-by-step explanation:

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utilise the Foil method to expand brackets:

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O - multiply the outside terms ( x and -2)

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L - multiply the last terms (5 and -2)

Then add them as following:

${x}^{2} - 2x + 5x - 10$

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