(4x + 5) (x-3) - 4(x*2 -2) = 4x²-12x+5x-15-4x²+8=(-7x)-7
(-7x)-7
x=1^2=1
-7 *1 - 7 = -14
;>
4x²-12x+5x-15-4x²+8=(-7x)-7
x =1²
-7*1²-7=(-7)*1-7=(-7)-7=(-14)
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(4x + 5) (x-3) - 4(x*2 -2) = 4x²-12x+5x-15-4x²+8=(-7x)-7
(-7x)-7
x=1^2=1
-7 *1 - 7 = -14
;>
4x²-12x+5x-15-4x²+8=(-7x)-7
x =1²
-7*1²-7=(-7)*1-7=(-7)-7=(-14)