a square minus 48 factorise it
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Answered by
1
Answer:
27a² - 48b²
=> 3 (9a² - 16b²)
=> 3 { (3a)² - (4b)² }
=> 3 (3a - 4b) (3a + 4b)
Step-by-step explanation:
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Answered by
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Step-by-step explanation:
a^2-48
to make it ax^2+bx+c (quadratic)ax^2 +0x-48
now we have to take 2 numbers whose sum is 0 and product -48
these numbers should be equal(excluding signs)
these are root48 and -root48
48^1/2=4×3^1/2
factors =(a+4×3^1/2)a-4×3^1/2)
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