Question
Factorize :
5y² + 5y – 10
✓
Answer
5y² + 5y – 10
= 5(y² + y – 2)
… [Taking out the common factor 5]
= 5(y² + 2y – y – 2)
= 5[y(y + 2) – 1(y + 2)]
= 5 (p + 2)(y- 1)
= 5(y² + y – 2)
… [Taking out the common factor 5]
= 5(y² + 2y – y – 2)
= 5[y(y + 2) – 1(y + 2)]
= 5 (p + 2)(y- 1)
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Verify whether the given statement is true or false:
$\Big\{(-16)\div\frac{6}{5}\Big\}\div\frac{-9}{10}=(-16)\div\Big\{\frac{6}{5}\div\frac{-9}{10}\Big\}$
→$\Big\{(-16)\div\frac{6}{5}\Big\}\div\frac{-9}{10}=(-16)\div\Big\{\frac{6}{5}\div\frac{-9}{10}\Big\}$
Raghu has enough money to buy 75 machines worth Rs 200 each. How many machines can he buy if he gets a discount of Rs 50 on each machine?
At what rate percent per annum will a sum of Rs. 4000 yield compound interest of Rs.410 in 2 years?
Construct a parallelogram ABCD such that l(BC) = 7 cm, m∠ABC = 40°, l(AB) = 3 cm
Divide the sum of $\frac{65}{12}$ and $\frac{12}{7}$ by their difference.
→Find the area of Fig. as the sum of the areas of two trapezium and a rectangle.
Factorize :
2x² + x – 45
Simplify :
(3xy – 2ab)³ – (3xy + 2ab)³
Verify the division algorithm i.e., Dividend = Divisor × Quotient + Remainder, in the following. Also write the quotient and remainder.
Dividend: $15 z^3-20 z^2+13 z-12$
Divisor: $3 z-6$
→Dividend: $15 z^3-20 z^2+13 z-12$
Divisor: $3 z-6$
A rectangular field is 70m long and 60m broad. A well of dimensions 14m × 8m × 6m is dug outside the field and the earth dugout from this well is spread evenly on the field. How much will the earth level rise?