Question

D) (3×+4y)^2

E) (3x-2y)^2

F) (2x-3y)

G) (5x-3y)

H) (3x+4) (3x-y)

I) (2x+5y).(2x-5y)

J) (7x+2y).(7x-2y)

K) (5x-7y)^2

L) (4x-3y)^2

M) (4x+7y).(4x-7y)

N) (3x+8y).(3x-8y)

Answer 1

D)(3x+4y)^2》(3x)^2+2(3x)(4y)+(4y)^2》9x^2+24xy+16y^2......E)(3x-2)^2》(3x)^2+2(3x)(2)-(4)^2》9x^2+12x-4......F)(2x-3y)^2》(2x)^2+2(2x)*3y)+(3y)^2》G)(5x+3y)^2》(5x)^2+2(5x)(3y)+(3y)^2》25x^2+30xy+9y^2....H)(3x+4)(3x-y)》(3x.3x)-(3x.y)+(4.3x)-(4y)》9x^2-3xy-12x;4y I)(2x+5y)(2x-5y)》(2x.2x)-(2x.5y)+(5y.2x)-(5y.5y)》4x^2-10xy+10yx-25y^2》4x^2-25y^2...J)(7x+2y)(7x-2y)》(7x.7x)-(7x.2y)+(2y.7x)-(2y.2y)》49x^2-14xy+14yx-4y^2》...K)(5x-7y)^2》(5x)^2-(2(5x)(7y)+(7y)^2》25x^2-70xy+49y^2.....L)(4x-3y)^2》(4x)^2-2(4x)(3y)+3y)^2》16x^3-24xy+9y^2...M)(4x+7y)(4x-7y)》(4x.4x)-(4x.7y)+(7y.4x)-(7y.7y)》16x^2-28xy+28yx-49y^2》16x^2-49y^2...N)(3x-8y)(3x-8y)》(3x.3x)-(3x.8y)-(8y.3x)-(8y.8y)》9x^2-24xy-24yx-64y^2》9x^2-48xy-64y^2

Answer 2

) (3x-2y)^2

F) (2x-3y)

G) (5x-3y)

H) (3x+4) (3x-y)

I) (2x+5y).(2x-5y)

J) (7x+2y).(7x-2y)

K) (5x-7y)^2