Question

ab² - ac² what will be the method answer is
a(b-c)(b+c)
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Answer 1

Answer:

a(b-c)(b+c)

Step-by-step explanation:

ab² - ac² = a(b²-c²) ..... (Taking 'a' common)

ab² - ac² = a(b²-c²) ------- (Equation 1)

But,

a²-b² = (a+b)(a-b)

Therefore,

(b²-c²) = (b+c)(b-c)

Substituting value of (b²-c²) in Equation 1

We get,

ab² - ac² = a(b²-c²)

= a(b+c)(b-c)

= a(b-c)(b+c)

Hope it helps you

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