Question
Factorise : $3 x^3-48 x$
✓
Answer
$3 x(x+4)(x-4)$
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
5 kg sugar and 7 kg rice together cost ₹ 258, while 7 kg sugar and 5 kg rice together cost ₹ 246. Find the total cost of 8 kg sugar and 10 kg rice.
In the given figure, ABCD is a square and $P , Q , R$ are points on $A B, B C$ and $C D$ respectively such that $AP = BQ = CR$ and $\angle PQR =90^{\circ}$.
Prove that :
(i) $PB = QC$
(ii) $PQ = QR$
(iii) $\angle QPR =45^{\circ}$
→Prove that :
(i) $PB = QC$
(ii) $PQ = QR$
(iii) $\angle QPR =45^{\circ}$
In the given figure, ABCD is a square of side 7 cm and A, B, C, D are centres of equal circles which touch externally in pairs. Find the area of the shaded region.
Evaluate the following :
$(27)^{\frac{4}{3}}+(32)^{0.8}+(0 \cdot 8)^{-1}+(0 \cdot 8)^0$
→$(27)^{\frac{4}{3}}+(32)^{0.8}+(0 \cdot 8)^{-1}+(0 \cdot 8)^0$
In the given figure, if the area of $\triangle ADE$ is $60 \ cm^2$, state, given reason, the area of :
$(i)$ Parallelogram $ABED;$
$(ii)$ Rectangle $ABCF;$
$(iii)$ Triangle $ABE.$
→$(i)$ Parallelogram $ABED;$
$(ii)$ Rectangle $ABCF;$
$(iii)$ Triangle $ABE.$
In the adjoining figure, $B C$ is a diameter of a circle with centre $O$. If $A B$ and $C D$ are two chords such that $A B \| C D$, prove that $A B=C D$.
→Prove that : $\frac{a^{-1}}{\left(a^{-1}+b^{-1}\right)}+\frac{a^{-1}}{\left(a^{-1}-b^{-1}\right)}=\frac{2 b^2}{\left(b^2-a^2\right)}$.
→Evaluate the following: $\frac{3 \sin 37^{\circ}}{\cos 53^{\circ}}-\frac{5 \operatorname{cosec} 39^{\circ}}{\sec 51^{\circ}}+\frac{4 \tan 23^{\circ} \tan 37^{\circ} \tan 67^{\circ} \tan 53^{\circ}}{\cos 17^{\circ} \cos 67^{\circ} \operatorname{cosec} 73^{\circ} \operatorname{cosec} 23^{\circ}}$
→Make $A$ the subject of formula $R=\frac{m_1 B+m_2 A}{m_1+m_2}$
→In a factory male workers are paid one and a half times more than their female counterparts for each hour of work. In a particular week a husband and wife team worked for a total of $60$ hours with the husband working twice as much as his wife. The total amount earned by both is $Rs. 960.$ If the husband's earning is $4$ times that of his wife, find the number of hours each worked.
→