You probably could figure this one out: it's ZERO.
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The multiplicative property of zero states that any number multiplied by zero gives you a product of zero.
1 x 0 = 0
134 x 0 = 0
4x2-4x-3=0 can be written as (2x-3)(2x+1)=0 Anything times by 0 equals 0 ( the zero property of multiplication) therefore we need to make each one of these terms in brackets equal to 0. so 2x-3=0 giving x=3/2 and 2x+1=0 giving x=-1/2
The commutative property of multiplication
Multiplication is repeated addition. 3 x 3 = 3 added three times.
Any number ending with 0 or 5 is a multiple of 5 except 0 itself.
Using the distributive property of multiplication over addition, x*[x - x] = x*[x + (-x)] = x*x + x*(-x)LHS = x*0 = 0RHS = x^2 + x*(-x)Therefore x*(-x) = -x^2 and, by commutativity, -x*x = -x^2Next-x*[x - x] = -x*[x + (-x)] = -x*x + -x*(-x)LHS = -x*0 = 0RHS = -x^2 + -x*(-x)Therefore (RHS) -x times -x = +x^2 (LHS).