Question

(v) (2x +5y) (2x + 3y)
(vi) (2a^2+9)(2a^2+5)

(vii) (xyz - 4) (xyz - 2)

Plz solve these problems with identies

Answer 1

Answer:

(v) (2x+5y) (2x+3y)

=(7xy) (5xy)

=35xysquare

Step-by-step explanation:

Hope it will understand you.

plz thanks me.

Answer 2

(v) (2x+5y)(2x+3y)

= (2x)²+(5y+3y).2x+(5y×3y)

= 4x²+16xy+15y²

(vi) (2a²+9)(2a²+5)

= (2a²)²+(9+5).2a²+(5×9)

= 4a⁴+28a²+45

(vii) (xyz-4)(xyz-2)

= (xyz)²-(4+2).xyz+(4×2)

= x²y²z²-6xyz+8