аПри m = 10:
(810 - 3)(810 + 3) - (410 + 3)(1610 - 3= (80 - 3)(80 + 3) - (40 + 3)(160 - 3= 77 83 - 43 15= 6409 - 676= -351
При m = -1.5:
(8(-1.5) - 3)(8(-1.5) + 3) - (4(-1.5) + 3)(16(-1.5) - 3= (-12 - 3)(-12 + 3) - (-6 + 3)(-24 - 3= -15 -9 - (-3) (-27= 135 - 8= 54
бПри x = -9:
(5(-9) + 7)(3(-9) + 7) - (4*(-9) + 7)^= (-45 + 7)(-27 + 7) - (-36 + 7)^= (-38)(-20) - (-29)^= 760 - 84= -81
При x = 0.7:
(50.7 + 7)(30.7 + 7) - (4*0.7 + 7)^= (3.5 + 7)(2.1 + 7) - (2.8 + 7)^= (10.5)(9.1) - (9.8)^= 95.55 - 96.0= -0.49
а
При m = 10:
(810 - 3)(810 + 3) - (410 + 3)(1610 - 3
= (80 - 3)(80 + 3) - (40 + 3)(160 - 3
= 77 83 - 43 15
= 6409 - 676
= -351
При m = -1.5:
(8(-1.5) - 3)(8(-1.5) + 3) - (4(-1.5) + 3)(16(-1.5) - 3
= (-12 - 3)(-12 + 3) - (-6 + 3)(-24 - 3
= -15 -9 - (-3) (-27
= 135 - 8
= 54
б
При x = -9:
(5(-9) + 7)(3(-9) + 7) - (4*(-9) + 7)^
= (-45 + 7)(-27 + 7) - (-36 + 7)^
= (-38)(-20) - (-29)^
= 760 - 84
= -81
При x = 0.7:
(50.7 + 7)(30.7 + 7) - (4*0.7 + 7)^
= (3.5 + 7)(2.1 + 7) - (2.8 + 7)^
= (10.5)(9.1) - (9.8)^
= 95.55 - 96.0
= -0.49