Advertisements
Advertisements
प्रश्न
Multiply: (2x + 3y)(2x - 3y)
उत्तर
(2x + 3y)(2x - 3y)
⇒ 2x (2x - 3y) + 3y(2x - 3y)
⇒ 2x × 2x - 2x × 3y + 3y × 2x - 3y × 3y
⇒ 4x2 - 6xy + 6xy - 9y2
⇒ 4x2 - 0 - 9y2
⇒ 4x2 - 9y2
APPEARS IN
संबंधित प्रश्न
Get the algebraic expression in the following case using variables, constants and arithmetic operations.
Sum of numbers a and b subtracted from their product.
Factorize: a2 + b2 + 2 (ab + bc + ca)
Factorize `x^2 + 5sqrt5x + 30`
Factorize the following expressions:
54x6y + 2x3y4
Simplify `(173 xx 173 xx 173 xx 127 xx 127 xx 127)/(173 xx 173 xx 173 xx 127 xx 127 xx 127)`
Factorize 125x3 - 27 y3 - 225x2 y +135xy2
If a + b + c = 9 and ab + bc + ca = 40, find a2 + b2 +c2.
If a2 + b2 + c2 = 250 and ab + bc + ca = 3, find a + b + c.
Write the number of the term of the following polynomial.
ax – by + y x z
Solve the following equation.
4(x + 12) = 8
