Question

Factories a2-4b2 Solve it​

Answer 1

Answer:

(a+2b) (a-2b)

Step-by-step explanation:

a² - 4b²

= a² - (2b)²

= (a+2b) (a-2b)

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Answer 2

Answer:

Factoring: a2-4b2 Theory : A difference of two perfect squares, A2 - B2 can be factored into (A+B) • (A-B)Proof : (A+B) • (A-B) = A2 - AB + BA - B2 = A2 - AB + AB - B2 = A2 - B2Note : AB = BA is the commutative property of multiplication. Note : - AB + AB equals zero and is therefore eliminated from the expression.