Activity 1
OCTION: Multiply the given polynomial
1) (5x + 2)(7x - 2)
2) (2a - 8b)(6a - 8b)
3) (7m - 5n) (2m + 5n)
4) (2a - 6b)(7a - 3b)
5) (x + 6y)(5x + 7y)
6) (6a - 6)-2a2 - 4a - 8)
7) (-6m + 6)(3m2 + 47 - 3) 8) (3x - y)(6x2 + 5xy - 7y2)
9) (3x + 8y)(2x2 - 4xy +6y2
10) (r2 +61 +57(5r2 >1- 5)
11) (-3m2 - 2mn-2mn - 862)(8m2 + 4mn + n2)
12) (-8n2-n + 7)(5n+4)
13) (-6b2 + b +6)-b +8)
14) (x2 + 2xy + y2)(x-2y)
15) (6m2 - 8mn + 4n2)(8m + 8n)
OCTION: Multiply the given polynomial
1) (5x + 2)(7x - 2)
2) (2a - 8b)(6a - 8b)
3) (7m - 5n) (2m + 5n)
4) (2a - 6b)(7a - 3b)
5) (x + 6y)(5x + 7y)
6) (6a - 6)-2a2 - 4a - 8)
7) (-6m + 6)(3m2 + 47 - 3) 8) (3x - y)(6x2 + 5xy - 7y2)
9) (3x + 8y)(2x2 - 4xy +6y2
10) (r2 +61 +57(5r2 >1- 5)
11) (-3m2 - 2mn-2mn - 862)(8m2 + 4mn + n2)
12) (-8n2-n + 7)(5n+4)
13) (-6b2 + b +6)-b +8)
14) (x2 + 2xy + y2)(x-2y)
15) (6m2 - 8mn + 4n2)(8m + 8n)
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Answer:
1) -140
2) 12n ²-64ab +64b²
3) 14m² +25mn - 25n ²
4) 14a²+ 48ab +18b²
5)5x ² +37 xy+ 42y²