Question
Factorise : $7-12 x-4 x^2$
✓
Answer
$(1-2 x)(7+2 x)$
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
In figure $AB=BC$ and $AD$ is perpendicular to $CD$.
Prove that: $AC ^2=2BC . DC$.
→Prove that: $AC ^2=2BC . DC$.
The length of a rectangular verandah is $3 \ m$ more than its breadth. The numerical value of its area is equal to the numerical value of its perimeter.$(i)$ Taking $x$ as the breadth of the verandah, write an equation in $x$ that represents the above statement,$(ii)$ Solve the equation obtained in .$(i)$ above and hence find the dimensions of the verandah.
→Find the difference between compound interest and simple interest on $Rs. 12,000$ and in $1 \frac{1}{2}$ years at $10 \%$ compounded half$-$yearly.
→If $a + b = 7$ and $ab = 10;$ find $a - b.$
→Given $q \tan A = p,$ find the value of :$\frac{p \sin A-q \cos A}{p \sin A+q \cos A}$.
→Solve the equation:
$23 x-29 y=98,29 x-23 y=110$.
→$23 x-29 y=98,29 x-23 y=110$.
In $\triangle ABC, D, E, F$ are the midpoints of $BC, CA$ and $AB$ respectively. Find $DE,$ if $AB = 8 \ cm$
→Find the area of the triangle whose sides are 30 cm, 24 cm and 18 cm. Also, find the length of the altitude corresponding to the smallest side of the triangle.
If $A = pr^2$ and $C = 2pr,$ then express r in terms of $A$ and $C.$
→Find the cube of: $4x + 7y$
→