Download App

Algebraic Expressions and Identities — Maths STD 8 — Question

Maharashtra BoardEnglish MediumSTD 8MathsAlgebraic Expressions and Identities1 Mark
Question
Write the following squares of binomials as trinomials:
$(x+2)^2$
✓

Answer

We will use the identities $(a+b)^2=a^2+2 a b+b^2$ and $(a-b)^2=a^2-2 a b+b^2$ to convert the squares of binomials as trinomials.
$(x+2)^2$
$=x^2+2 \times x \times 2+b^2$
$=x^2+4 x+b^2$

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 "Solve The Following Question.1MARKS" from Algebraic Expressions and Identities→Algebraic Expressions and Identities — all question types→Maths STD 8 question papers→Maharashtra Board STD 8 question papers→Maharashtra Board question paper generator→

Similar questions

Mark $(\checkmark)$ against the correct answer:
$\frac{\text{x}+5}{2}+\frac{\text{x}-5}{3}=\frac{25}{6}$ gives:
  1. x = 3
  2. x = 4
  3. x = 5
  4. x = 2
→
In which of the following tables x and y vary directly?
a
 $1^2$ $2^2$ $3^2$ $4^2$ $5^2$
b
 $1^3$ $2^3$ $3^3$ $4^3$ $5^3$
→
When two dice are rolled:
List the outcomes for the event that the total is odd.
→
Express of the following rational numbers with a negative exponent:
$3^5$
→
Find the following products:
$(5 x+7) \times(3 x+4)$
→
Write the following as percent:
3 : 25
→
Factorise:
x(x + 3) + 5(x + 3)
→
Write 'T' for true and 'F' for false for the following:
Gain is reckoned on the selling price.
→
Find the cube roots of the following integers:
-125
→
Write the units digit of the cube of the following numbers:
44447
→