Simplify : 5 x^2- (3 x-x^2-4 ) - Vidyadip

Question

Simplify : $5 x^2-\left(3 x-\overline{x^2-4}\right)$

✓

Answer

$5 x^2-\left(3 x-\overline{x^2-4}\right)$
$=5 x^2-\left(3 x-x^2+4\right)$
$=5 x^2-3 x+x^2-4$
$=5 x^2+x^2-3 x-4$
$=6 x^2-3 x-4$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[2 Mark Question Answer]" from Substitution (Including Use of Brackets as Grouping Symbols)→Substitution (Including Use of Brackets as Grouping Symbols) — all question types→MATHS STD 6 question papers→ICSE Board STD 6 question papers→ICSE Board question paper generator→

Similar questions

Round off the following to the nearest ten:
62

If x = 5 and y = 4, evaluate:
8xy

A train covers 120 m in 5 seconds. What is the speed of the train in $km / hr$ ?

Construct the 45° angle, using ruler and a pair of compass only.

Estimate the sum of the pair of numbers to the nearest hundred:
270 and 495

If $x = 2$ and $y = − 4,$ evaluate:
$(5y)^2$

Add: 47° and 61° 17’4″

Mr. Chopra pays ₹ 12,000 as rent for 3 months. How much does he has to pay for a year if the rent per month remains same?

Using a number line, find the integer which is 7 less than -8

Write the prime factors of 35