Q: What is b squared plus ab minus two minus two b squared plus two ab?

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(a + x^2)(b + y^2)

Let y= ab+(- a)(b) +(-a)(-b) factor out -a y= ab+(-a){b+(-b)} y=ab+(-a)(0) y =ab -------------------(1) now factor out b y= b{a+(-a)}+(-a)(-b) y= b(0) +(-a)(-b) y= (-a)(-b)-----------------(2) equate (1) and (2) (-a)(-b)=ab minus x minus = positive

That factors to (a + 1)(a + b) a = -1, -b b = -a

ab(ab) =2ab

ab=1a+1b a is equal to either 0 or two, and b is equal to a

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C minus B equals AB

No. The child could be either AA or Ao and they would have plus or minus, depending on if the a plus parent has plus plus, or plus minus

Let y= ab+(- a)(b) +(-a)(-b) factor out -a y= ab+(-a){b+(-b)} y=ab+(-a)(0) y =ab -------------------(1) now factor out b y= b{a+(-a)}+(-a)(-b) y= b(0) +(-a)(-b) y= (-a)(-b)-----------------(2) equate (1) and (2) (-a)(-b)=ab minus x minus = positive

This expression can be factored. ab + 3a + b2 + 3b = a(b + 3) + b(b + 3) = (a + b)(b + 3)

That factors to (a + 1)(a + b) a = -1, -b b = -a

No, AB+ people can receive blood from all blood groups.

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