Factorise: y^2-6 y-135 - Vidyadip

Question

Factorise: $y^2-6 y-135$

✓

Answer

$y^2-6 y-135$
$=y^2-15+9 y-135$
${-135 = -15 × 9, -6 = -15 + 9}$
$= y(y - 15) + 9(y - 15)$
$= (y - 15)(y + 9)$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "2 Marks Questions" from Factorisation→Factorisation — all question types→MATHS STD 8 question papers→Gujarat Board STD 8 question papers→Gujarat Board question paper generator→

Similar questions

Find the least number which must be added to each of the following numbers, so as to get a perfect square. Also, find the square root of the perfect square, so obtained.
525

Find two numbers whose product is a $1-$digit number and the sum is a $2-$digit number.

Factorise the following expressions. $2x^2- 2y + 4xy - x$

Evaluate the following:$\frac{2}{3}-\frac{3}5{}$

Is $100$ a perfect cube?

Justify the statement.
For fixed time period and rate of interest, the simple interest is directly proportional to the principal.

Simplify the exponential form: $\frac{1}{8} \times(3)^{-3}$

Factorise $\text{x}^2+\frac{1}{\text{x}^2}+2-3\text{x}-\frac{3}{\text{x}}$.

Factorize of the following expressions: $axy + bcxy - az - bcz$

Solve the following equations :
$3 x=2 x+18$