Question

Factorise the following: (a)6x^2+11x-10 (b) 5-4x-12x^2

Answer 1

Answer:

ans right down there....

Step-by-step explanation:

Here....

(a)

$6 {x}^{2} + 11x - 10$

then..

$6 {x}^{2} + 15x - 4x - 10$

then.....

$3x(2x + 5) - 2(2x + 5)$

then.....

$(2x + 5)(3x - 2)$

(b)

$5 - 4x - 12 {x}^{2}$

then....

$- 12 {x}^{2} + 6x - 10x + 5$

then....

$- 6x(2x - 1) - 5(2x - 1)$

at last...

$- (2x - 1)(6x + 5)$

ans.

I am done.

Answer 2

Answer:

a) 6x  2 +11x−10

⇒6x² +15x−4x−10

⇒3x(2x+5)−2(2x+5)

⇒(3x−2)(2x+5)

Hence, the answer is (3x−2)(2x+5).

b) -12x²-4x+5

= -12x²-10x+6x+5

= -2x(6x+5)+1(6x+5)

= (-2x+1)(6x+5)

Step-by-step explanation:

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