Question

Factorise- 49 — a^2 + 8ab —16b^2

Answer 1

Step-by-step explanation:

Question:

Factorise : 49- a² + 8ab - 16b²

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☆ Formula to be used here :

● a² - b² = ( a - b )( a + b )

● ( a - b ) ² = a² - 2ab + b²

A/Q

→ 49 - a² + 8ab - 16b²

→ 7² - ( a² - 8ab + 16b² )

→ 7² - ( a - 4b )²

→ ( 7 + a - 4b )( 7 - a + 4b ) Ans

HOPE IT CAN HELP U ✔

Answer 2

Step-by-step explanation:

☆ Formula to be used here :

● a² - b² = ( a - b )( a + b )

● ( a - b ) ² = a² - 2ab + b²

A/Q

→ 49 - a² + 8ab - 16b²

→ 7² - ( a² - 8ab + 16b² )

→ 7² - ( a - 4b )²

→ ( 7 + a - 4b )( 7 - a + 4b ) Ans

HOPE IT CAN HELP U ✔

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