Question
Factorise:
$x^2+19 x-150$
$x^2+19 x-150$
✓
Answer
$x^2+19 x-150$
$=x^2+25 x-6 x-150$
$=x(x+25)-6(x+25)$
$=(x+25)(x-6)$
$=x^2+25 x-6 x-150$
$=x(x+25)-6(x+25)$
$=(x+25)(x-6)$
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
Factorise: $5\sqrt{5}\text{x}^2-20\text{x}+3\sqrt{5}$
→Find the measure of an angle which is: Equal to its supplement.
ABC and ADC are two right triangles with common hypotenuse AC. Prove that $\angle CAD =\angle ABD.$
→Two circles intersect at two points $B$ and $C.$ Through $B,$ two line segments $\ce{ABD}$ and $\ce{PBQ}$ are drawn to intersect the circles at $\ce{A, D, P, Q}$ respectively $($see figure$).$ Prove that $\ce{ACP=QCD}$.
→Write four solutions of the equation: $\pi x + y = 9$
→Simplify: $3\sqrt{45}-\sqrt{125}+\sqrt{200}-\sqrt{50}$
→Factorise:
$25 x^2+4 y^2+9 z^2-20 x y-12 y z+30 x z$.
→$25 x^2+4 y^2+9 z^2-20 x y-12 y z+30 x z$.
Express the following rational numbers as decimals: $\frac{437}{999}$
→Factorise:
$a^2 x^2+\left(a x^2+1\right) x+a$
→$a^2 x^2+\left(a x^2+1\right) x+a$
Expand the following:
$\Big(4-\frac{1}{3{\text{x}}}\Big)^3$
→$\Big(4-\frac{1}{3{\text{x}}}\Big)^3$