Question
Find the product : $(a b-2)(a b+4)$
✓
Answer
$a^2 b^2+2 a b-8$
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
Find the product : $\left(\frac{2}{5}+x\right)\left(\frac{2}{5}-x\right)\left(\frac{4}{25}+x^2\right)$
→In the adjoining figure, ABCD is a parallelogram and $\angle A =120^{\circ}$. If the bisectors of $\angle A$ and $\angle B$ meet at a point P , show that $\angle APB$ is a right angle.
→Expand : $(\sqrt{3} x+2)^2$
→Find the product : $(b-6)(b-8)$
→Find the area of the shaded region in the figure given alongside.
Twelve typists, all working with the same speed, type a certain number of pages in $18$ days working $8$ hours a day. Find, how many hours per day must sixteen typists work in order to type the same number of pages in $9$ days?
→Compute: $\left(\frac{2}{3}\right)^{-4} \times\left(\frac{27}{8}\right)^{-2}$
→Fifteen less than $4$ times a number is $9$. Find the number.
→The circumference of a circular table is $88 m$. Find its area.
→In what time will a sum of money lent at $8 \frac{1}{3} \%$ simple interest become 4 times of itself.
→