Factorise the Following by Splitting the Middle Term: 15a2 - 14a - 16

Factorise the following by splitting the middle term:
15a² - 14a - 16

योग

15a² - 14a - 16
= 15a² - 24a + 10a - 16
= 3a(5a - 8) + 2(5a - 8)
= (5a - 8)(3a + 2).

shaalaa.com

क्या इस प्रश्न या उत्तर में कोई त्रुटि है?

अध्याय 5: Factorisation - Exercise 5.2

अध्याय 5 Factorisation
Exercise 5.2 | Q 1.7

Factorise : 1 - 2a - 3a²

Find trinomial (quadratic expression), given below, find whether it is factorisable or not. Factorise, if possible.
x² - 3x - 54

Find trinomial (quadratic expression), given below, find whether it is factorisable or not. Factorise, if possible.
2x² - 7x - 15

Find trinomial (quadratic expression), given below, find whether it is factorisable or not. Factorise, if possible.
2x² + 2x - 75

Find trinomial (quadratic expression), given below, find whether it is factorisable or not. Factorise, if possible.
x(2x - 1) - 1

Factorise the following:
9x² - 22xy + 8y²

Factorise the following:
2x³ + 5x²y - 12xy²

Factorise the following:
x³y³ - 8x²y² + 15xy

Factorise the following:
`6sqrt(3)x^2 - 19x + 5sqrt(3)`

Factorise the following:
5(3x + y)² + 6(3x + y) - 8