Advertisements
Advertisements
प्रश्न
Simplify.
(1.5x − 4y) (1.5x + 4y + 3) − 4.5x + 12y
उत्तर
(1.5x − 4y) (1.5x + 4y + 3) − 4.5x + 12y
= 1.5x (1.5x + 4y + 3) − 4y (1.5x + 4y + 3) − 4.5x + 12y
= 2.25 x2 + 6xy + 4.5x − 6xy − 16y2 − 12y − 4.5x + 12y
= 2.25 x2 + (6xy − 6xy) + (4.5x − 4.5x) − 16y2 + (12y − 12y)
= 2.25x2 − 16y2
APPEARS IN
संबंधित प्रश्न
Simplify.
(x2 − 5) (x + 5) + 25
Simplify.
(x + y) (2x + y) + (x + 2y) (x − y)
Write the following square of binomial as trinomial: \[\left( \frac{x}{4} - \frac{y}{3} \right)\]
Write the following square of binomial as trinomial: \[\left( 3x - \frac{1}{3x} \right)^2\]
Write the following square of binomial as trinomial: \[\left( \frac{x}{y} - \frac{y}{x} \right)^2\]
Write the following square of binomial as trinomial: \[\left( \frac{3a}{2} - \frac{5b}{4} \right)^2\]
Write the following square of binomial as trinomial: (x2 − ay)2
Multiply the following:
–7st, –1, –13st2
Multiply the following:
`- 100/9 rs; 3/4 r^3s^2`
Multiply the following:
`(3/4x - 4/3 y), (2/3x + 3/2y)`
