Question

A. Using the identity:x²+(a+b)x + ab = (x+ a)(x+b), complete the following.
1. x² +13x +30 =(x + 10)
2. x+22x + 21 = (x + 21)
3. x+3x-28 = (x-4)
4. x-x-30 = (x-6)
5. x² + x-30 =(x-5)
6. X-9x +20 = (x-5)
7. x-2x-35 =(x-7)
8. x' + 2x-35 =(x-5)​

Answer 1

Answer:

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