Simplify.(i)(x2− 5) (x + 5) + 25(ii)(a2+ 5) (b3 + 3) + 5(iii)(t + s2

1.	Simplify.(i)(x2− 5) (x + 5) + 25(ii)(a2+ 5) (b3 + 3) + 5(iii)(t + s2)(t2 − s) (iv)(a + b)(c − d) + (a − b) (c +d) + 2 (ac + bd)(v)(x + y)(2x + y) + (x + 2y) (x − y)(vi)(x + y)(x2 − xy + y2)(vii)(1.5x −4y) (1.5x + 4y + 3) − 4.5x + 12y(viii)(a + b+ c) (a + b − c)
Answer» Simplify. (i)(x²− 5) (x + 5) + 25 (ii)(a²+ 5) (b³ + 3) + 5 (iii)(t + s²)(t² − s) (iv)(a + b)(c − d) + (a − b) (c +d) + 2 (ac + bd) (v)(x + y)(2x + y) + (x + 2y) (x − y) (vi)(x + y)(x² − xy + y²) (vii)(1.5x −4y) (1.5x + 4y + 3) − 4.5x + 12y (viii)(a + b+ c) (a + b − c)

Simplify.(i)(x2− 5) (x + 5) + 25(ii)(a2+ 5) (b3 + 3) + 5(iii)(t + s2)(t2 − s) (iv)(a + b)(c − d) + (a − b) (c +d) + 2 (ac + bd)(v)(x + y)(2x + y) + (x + 2y) (x − y)(vi)(x + y)(x2 − xy + y2)(vii)(1.5x −4y) (1.5x + 4y + 3) − 4.5x + 12y(viii)(a + b+ c) (a + b − c)

Answer»

Simplify.

(i)(x²− 5) (x + 5) + 25

(ii)(a²+ 5) (b³ + 3) + 5

(iii)(t + s²)(t² − s)

(iv)(a + b)(c − d) + (a − b) (c +d) + 2 (ac + bd)

(v)(x + y)(2x + y) + (x + 2y) (x − y)

(vi)(x + y)(x² − xy + y²)

(vii)(1.5x −4y) (1.5x + 4y + 3) − 4.5x + 12y

(viii)(a + b+ c) (a + b − c)