Solve by Formula Method (quadratic equation)
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1) ×^2+5×+6
×^2+2×+3×+6
×(×+2)+3 (×+2)
(×+2) (×+3)=0
×+2=0 or ×+3=0
×=-2 or ×=-3
2) ×^2-4×+4
×^2-2×-2×+4
×(×-2)-2 (×-2)
(×-2) (×-2)=0
×-2=0 or ×-2=0
×=2 or ×=2
hope it's helpful for you
×^2+2×+3×+6
×(×+2)+3 (×+2)
(×+2) (×+3)=0
×+2=0 or ×+3=0
×=-2 or ×=-3
2) ×^2-4×+4
×^2-2×-2×+4
×(×-2)-2 (×-2)
(×-2) (×-2)=0
×-2=0 or ×-2=0
×=2 or ×=2
hope it's helpful for you
Shinuraddha:
it's helpful for you mark me in brainlesy
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