Advertisements
Advertisements
प्रश्न
Factorise:
6x2 + 5x – 6
Advertisements
उत्तर
We can find two numbers: pq = −36 and p + q = 5
They are p = 9 and q = −4
Here, 6x2 + 5x − 6
= 6x2 + 9x − 4x − 6
= 3x (2x + 3) − 2 (2x + 3)
= (2x + 3) (3x − 2)
APPEARS IN
संबंधित प्रश्न
Find the value of k, if x – 1 is a factor of p(x) in the following case:
p(x) = x2 + x + k
Factorise:
3x2 – x – 4
Find the factor of the polynomial given below.
`1/2x^2 - 3x + 4`
Factorize the following polynomial.
(x2 – x)2 – 8 (x2 – x) + 12
Factorize the following polynomial.
(y + 2) (y – 3) (y + 8) (y + 3) + 56
Factorize the following polynomial.
(y2 + 5y) (y2 + 5y – 2) – 24
Show that x + 3 is a factor of 69 + 11x – x2 + x3.
Find the value of m so that 2x – 1 be a factor of 8x4 + 4x3 – 16x2 + 10x + m.
Factorise:
2x2 – 7x – 15
If both x – 2 and `x - 1/2` are factors of px2 + 5x + r, show that p = r.
