Complete the sheet Q.1: Expand using the formula: a) 592 b) 22
Q.2: Expand: a) (x + 2a) (x - 5a)
Q. 3: Factorize: a) 2xy - x2 - y2 + 1
Q. 4: Factorize: a) m.572 m + 8
Q. 5: Factorize: 24x2 + 13x - 2 b)p+ 6p +8 b) 100 - (a +5)
Q. 6: Factorize: 7V2 x2 - 10x - 4v2
Q. 7: Expand : 103 x 97
Q. 8: Expand : (x + V2) (x +372)
Solve:
Answers
Answered by
2
Answer:
1. a) 592= 5×100 + 9×10 +2×1
b) 22 = 2×10 + 2×1
2. (x + 2a) (x - 5a)
= x (x - 5a) + 2a (x - 5a)
= x² - 5ax + 2ax - 10a²
= x² - 3ax - 10a²
3. 2xy - x² - y² +1
Answered by
1
Step-by-step explanation:
expand using the formula 1.22
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